{"title":"实验室认证测试件 (Certified Original Tested)","description":null,"products":[{"product_id":"used-mellanox-sn2700-cs2fc-32-port-100gbe-qsfp28-network-switch","title":"NVIDIA Mellanox Spectrum SN2700 32-Port 100GbE QSFP28 Switch | Original Used \u0026 Tested","description":"\u003ch2\u003eNVIDIA Mellanox Spectrum SN2700 32-Port 100GbE QSFP28 Datacenter Switch\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox Spectrum SN2700 32-Port 100GbE QSFP28 Datacenter Switch\u003c\/strong\u003e is a high-performance datacenter Ethernet switch powered by the NVIDIA Spectrum-1 ASIC, delivering 6.4 Tbps full duplex of non-blocking throughput with 32 × 100GbE QSFP28 (configurable as 32×100G \/ 64×50G \/ 128×25G \/ 8×40G) ports. Designed for High-performance computing (HPC), it provides \u0026lt; 300 ns cut-through cut-through latency and 12 MB shared packet buffer shared packet buffer for lossless RoCE v2 RDMA transport.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpectrum-1\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 × 100GbE QSFP28 (configurable as 32×100G \/ 64×50G \/ 128×25G \/ 8×40G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThroughput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.4 Tbps full duplex\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 300 ns cut-through\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePacket Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.76 Bpps\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 MB shared packet buffer\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 180W typical\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e440 × 430 × 43 mm (1U)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1× RJ45 management, 1× micro-USB console\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMLNX-OS (Cumulus Linux compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVXLAN, EVPN, RoCE v2, PFC, ECN, DCB, IGMP\/MLD snooping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVXLAN\u003c\/li\u003e\n\u003cli\u003eEVPN\u003c\/li\u003e\n\u003cli\u003eRoCE v2\u003c\/li\u003e\n\u003cli\u003ePFC\u003c\/li\u003e\n\u003cli\u003eECN\u003c\/li\u003e\n\u003cli\u003eDCB\u003c\/li\u003e\n\u003cli\u003eIGMP\/MLD snooping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cp\u003eHigh-performance computing (HPC), financial trading, cloud datacenter spine\/leaf, AI\/ML training clusters\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the Mellanox SN2700 switch used for?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe SN2700 is a 32-port 100GbE datacenter switch designed for HPC, financial trading floors, and cloud spine-leaf architectures where ultra-low latency (\u0026lt;300 ns) and zero packet loss are critical.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes the SN2700 support InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eNo. The SN2700 is an Ethernet-only switch based on the Spectrum-1 ASIC. For InfiniBand, look at the NVIDIA Quantum series (QM8700, QM9700).\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eCan SN2700 ports be split into 25GbE or 50GbE?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. Each 100GbE QSFP28 port can be split into 2×50GbE or 4×25GbE using breakout cables, giving up to 128×25GbE ports total.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat operating systems run on the SN2700?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eMLNX-OS and Cumulus Linux are officially supported. SONiC is also available as a community option.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55715533947172,"sku":"SN2700","price":1955.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/Used-Original-SN2700-CS2FC-Network-Switch.webp?v=1783603979"},{"product_id":"used-mellanox-connectx-5-mcx516a-ccat-100gbe-dual-port-pcie-3-0-network-adapter","title":"Used Mellanox ConnectX-5 MCX516A-CCAT 100GbE Dual-Port PCIe 3.0 Network Adapter","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-5\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-5\u003c\/strong\u003e is a 10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 3.0 x16 host interface, RoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.8 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-5\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×100G \/ 2×50G \/ 4×25G (QSFP28); 1×25G (SFP28); 1×100GbE HDR (QSFP28)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand EDR\/HDR100 (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, GPUDirect Async, Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.8 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 30W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-5 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-5 is a dual-mode 100GbE\/InfiniBand VPI adapter with RoCE v2 and IB RDMA, NVMe-oF, and GPUDirect RDMA—the most versatile adapter for mixed Ethernet+IB datacenter deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-5 support both Ethernet and InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-5 VPI adapters can operate in Ethernet or InfiniBand mode (EDR 100G or HDR100 100G) per-port, enabling flexible deployment in mixed environments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is GPUDirect RDMA on ConnectX-5?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eGPUDirect RDMA allows NVIDIA GPUs to read\/write network data directly without CPU involvement, reducing latency to \u0026lt;0.8 μs and enabling peer-to-peer GPU communication for AI training.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-5 compare to ConnectX-6?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-6 adds 200GbE HDR InfiniBand, PCIe 4.0 x16, and advanced crypto\/security offloads. ConnectX-5 is ideal for 100GbE deployments; ConnectX-6 for 200G\/HDR interconnects.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55715535094052,"sku":"MCX516A-CCAT","price":588.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-Dual-Port-Network-Card-Used.webp?v=1783604102"},{"product_id":"used-mellanox-connectx-6-mcx653105a-ecat-100gbe-hdr100-single-port-pcie-4-0-adapter","title":"Used Mellanox ConnectX-6 MCX653105A-ECAT 100GbE HDR100 Single-Port PCIe 4.0 Adapter","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-6\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-6\u003c\/strong\u003e is a 100\/200GbE + HDR InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 4.0 x16 host interface, RoCE v2, RDMA over IB HDR (200 Gbps) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.6 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-6\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100\/200GbE + HDR InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×200G QSFP56 \/ 2×100G QSFP28; HDR 200Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 4.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v2, RDMA over IB HDR (200 Gbps)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand HDR (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, Hardware Crypto (IPsec\/MACsec\/TLS), Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.6 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 40W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-6 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-6 is a 200GbE\/HDR InfiniBand VPI adapter with PCIe 4.0, hardware crypto offloads (IPsec\/MACsec\/TLS), and GPUDirect RDMA—designed for next-gen AI supercomputers and 200G storage fabrics.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-6 support hardware encryption?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-6 includes inline IPsec, MACsec, and TLS hardware crypto engines that offload encryption from the CPU at full line rate.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat PCIe does ConnectX-6 require?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003ePCIe 4.0 x16 for 200G line-rate. It also works in PCIe 3.0 x16 slots at reduced throughput (100G line-rate).\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-6 compare to ConnectX-7?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-7 adds 400GbE, PCIe 5.0, and data-path acceleration for DPU offload. ConnectX-6 remains the best value for 200GbE\/HDR deployments.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55715535225124,"sku":"MCX653105A-ECAT","price":876.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-InfiniBand-HDR100-Single-Port-Network.webp?v=1783604120"},{"product_id":"used-original-sn2700-cs2fc-network-switch-sn2700-cs2fc-datac","title":"Used Original SN2700-CS2FC Network Switch SN2700 CS2FC Datacenter Storage Switch Ready to Ship","description":"\u003ch2\u003eNVIDIA Mellanox Spectrum SN2700 32-Port 100GbE QSFP28 Datacenter Switch\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox Spectrum SN2700 32-Port 100GbE QSFP28 Datacenter Switch\u003c\/strong\u003e is a high-performance datacenter Ethernet switch powered by the NVIDIA Spectrum-1 ASIC, delivering 6.4 Tbps full duplex of non-blocking throughput with 32 × 100GbE QSFP28 (configurable as 32×100G \/ 64×50G \/ 128×25G \/ 8×40G) ports. Designed for High-performance computing (HPC), it provides \u0026lt; 300 ns cut-through cut-through latency and 12 MB shared packet buffer shared packet buffer for lossless RoCE v2 RDMA transport.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpectrum-1\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 × 100GbE QSFP28 (configurable as 32×100G \/ 64×50G \/ 128×25G \/ 8×40G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThroughput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.4 Tbps full duplex\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 300 ns cut-through\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePacket Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.76 Bpps\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 MB shared packet buffer\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 180W typical\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e440 × 430 × 43 mm (1U)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1× RJ45 management, 1× micro-USB console\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMLNX-OS (Cumulus Linux compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVXLAN, EVPN, RoCE v2, PFC, ECN, DCB, IGMP\/MLD snooping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVXLAN\u003c\/li\u003e\n\u003cli\u003eEVPN\u003c\/li\u003e\n\u003cli\u003eRoCE v2\u003c\/li\u003e\n\u003cli\u003ePFC\u003c\/li\u003e\n\u003cli\u003eECN\u003c\/li\u003e\n\u003cli\u003eDCB\u003c\/li\u003e\n\u003cli\u003eIGMP\/MLD snooping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cp\u003eHigh-performance computing (HPC), financial trading, cloud datacenter spine\/leaf, AI\/ML training clusters\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the Mellanox SN2700 switch used for?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe SN2700 is a 32-port 100GbE datacenter switch designed for HPC, financial trading floors, and cloud spine-leaf architectures where ultra-low latency (\u0026lt;300 ns) and zero packet loss are critical.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes the SN2700 support InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eNo. The SN2700 is an Ethernet-only switch based on the Spectrum-1 ASIC. For InfiniBand, look at the NVIDIA Quantum series (QM8700, QM9700).\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eCan SN2700 ports be split into 25GbE or 50GbE?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. Each 100GbE QSFP28 port can be split into 2×50GbE or 4×25GbE using breakout cables, giving up to 128×25GbE ports total.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat operating systems run on the SN2700?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eMLNX-OS and Cumulus Linux are officially supported. SONiC is also available as a community option.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55806959681828,"sku":"ALI-1601859563863","price":1955.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/Used-Original-SN2700-CS2FC-Network-Switch_b3480832-7720-482f-85b8-1a1d7e09549a.webp?v=1784862609"},{"product_id":"used-original-sn3700-cs2fc-network-switch-sn3700-cs2fc-datac","title":"Used Original SN3700-CS2FC Network Switch SN3700 CS2FC Datacenter Switch","description":"\u003ch2\u003eNVIDIA Mellanox Spectrum-2 SN3700 36-Port 100GbE QSFP28 Datacenter Switch\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox Spectrum-2 SN3700 36-Port 100GbE QSFP28 Datacenter Switch\u003c\/strong\u003e is a high-performance datacenter Ethernet switch powered by the NVIDIA Spectrum-2 ASIC, delivering 7.2 Tbps full duplex of non-blocking throughput with 36 × 100GbE QSFP28 (configurable as 36×100G \/ 72×50G \/ 144×25G \/ 4×200G) ports. Designed for AI\/ML training clusters (GPU interconnect), it provides \u0026lt; 250 ns cut-through cut-through latency and 16 MB shared packet buffer shared packet buffer for lossless RoCE v2 RDMA transport.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpectrum-2\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36 × 100GbE QSFP28 (configurable as 36×100G \/ 72×50G \/ 144×25G \/ 4×200G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThroughput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.2 Tbps full duplex\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 250 ns cut-through\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePacket Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.4 Bpps\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 MB shared packet buffer\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 250W typical\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e440 × 430 × 43 mm (1U)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1× RJ45 management, 1× micro-USB console\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMLNX-OS, Cumulus Linux, SONiC\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVXLAN, EVPN, RoCE v2, PFC, ECN, DCB, IPv6, sFlow, Advanced Mirroring, NAT, NAT64, VRF, ACL 12K entries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVXLAN\u003c\/li\u003e\n\u003cli\u003eEVPN\u003c\/li\u003e\n\u003cli\u003eRoCE v2\u003c\/li\u003e\n\u003cli\u003ePFC\u003c\/li\u003e\n\u003cli\u003eECN\u003c\/li\u003e\n\u003cli\u003eDCB\u003c\/li\u003e\n\u003cli\u003eIPv6\u003c\/li\u003e\n\u003cli\u003esFlow\u003c\/li\u003e\n\u003cli\u003eAdvanced Mirroring\u003c\/li\u003e\n\u003cli\u003eNAT\u003c\/li\u003e\n\u003cli\u003eNAT64\u003c\/li\u003e\n\u003cli\u003eVRF\u003c\/li\u003e\n\u003cli\u003eACL 12K entries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cp\u003eAI\/ML training clusters (GPU interconnect), cloud spine-leaf, storage fabrics (NVMe-oF), HPC, telecom edge\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the Mellanox SN3700 switch used for?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe SN3700 is a 36-port 100GbE datacenter switch powered by the Spectrum-2 ASIC, optimized for AI\/ML GPU clusters, NVMe-oF storage fabrics, and cloud spine-leaf topologies requiring lossless Ethernet with RoCE v2.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does SN3700 compare to SN2700?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe SN3700 has 4 more 100G ports (36 vs 32), higher throughput (7.2 vs 6.4 Tbps), lower latency (\u0026lt;250 vs \u0026lt;300 ns), larger buffer (16 vs 12 MB), and supports 200G port mode. It uses the newer Spectrum-2 ASIC with advanced features like NAT, VRF, and larger ACL tables.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eCan SN3700 run 200GbE ports?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. The Spectrum-2 ASIC supports 200GbE mode on 4 QSFP28-DD ports (using 2×100G per port), enabling mixed-speed deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes SN3700 support RoCE for RDMA?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. The SN3700 fully supports RoCE v2 (RDMA over Converged Ethernet) with PFC and ECN for lossless transport—critical for GPU-to-GPU communication in AI training.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55806962893092,"sku":"ALI-1601859676100","price":3680.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/Used-Original-SN3700-CS2FC-Network-Switch_8b77e13b-2826-4c89-998f-74f19ef265b4.webp?v=1784862659"},{"product_id":"server-storage-expansion-hba-card-used-quadro-lsi-9300-8i-sa","title":"Server Storage Expansion HBA Card Used Quadro LSI 9300-8i SAS HBA 12Gb\/s 8-Port Internal PCI Express Host Bus Adapter","description":"\u003ch2\u003eLSI 9300 Series HBA\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLSI 9300 Series HBA\u003c\/strong\u003e is a HBA (Host Bus Adapter—no RAID) with PCIe 3.0 host interface and 12Gb\/s SAS 3.0 port speed, supporting None (HBA pass-through) RAID levels and No cache write cache. No  capability—ideal for 4i, 8i, 8e, 16i server storage configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12Gb\/s SAS 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4i, 8i, 8e, 16i\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSata Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSATA III 6Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNvme Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo (SAS\/SATA only)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTri Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRaid Levels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone (HBA pass-through)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCache\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo cache\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the LSI 9300 HBA card?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe LSI 9300 series is a 12Gb\/s SAS 3.0 Host Bus Adapter (HBA) providing direct JBOD pass-through without RAID—ideal for software-defined storage (ZFS, Ceph) and NAS deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eCan the 9300 do RAID?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eNo. The 9300 is an HBA (pass-through only). For hardware RAID, use the MegaRAID 9361\/9440\/9460\/9560 series.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes the 9300 support NVMe?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eNo. 9300 supports SAS 3.0 (12Gb\/s) and SATA III (6Gb\/s) only. For NVMe, use the Tri-Mode 9400\/9500 series.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat port configurations are available?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e9300-4i (4 internal), 9300-8i (8 internal), 9300-8e (8 external), 9300-16i (16 internal).\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"Broadcom","offers":[{"title":"Default Title","offer_id":55807004541220,"sku":"ALI-1601815588311","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/lsi-9300-8i.webp?v=1784863588"},{"product_id":"server-storage-expansion-hba-card-used-quadro-lsi-9300-8e-sa","title":"Server Storage Expansion HBA Card Used Quadro LSI 9300-8E SAS HBA 12Gbps 8-Ports External PCI Express 3.0 Host Bus Adapter","description":"\u003ch2\u003eLSI 9300 Series HBA\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLSI 9300 Series HBA\u003c\/strong\u003e is a HBA (Host Bus Adapter—no RAID) with PCIe 3.0 host interface and 12Gb\/s SAS 3.0 port speed, supporting None (HBA pass-through) RAID levels and No cache write cache. No  capability—ideal for 4i, 8i, 8e, 16i server storage configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12Gb\/s SAS 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4i, 8i, 8e, 16i\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSata Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSATA III 6Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNvme Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo (SAS\/SATA only)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTri Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRaid Levels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone (HBA pass-through)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCache\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo cache\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the LSI 9300 HBA card?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe LSI 9300 series is a 12Gb\/s SAS 3.0 Host Bus Adapter (HBA) providing direct JBOD pass-through without RAID—ideal for software-defined storage (ZFS, Ceph) and NAS deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eCan the 9300 do RAID?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eNo. The 9300 is an HBA (pass-through only). For hardware RAID, use the MegaRAID 9361\/9440\/9460\/9560 series.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes the 9300 support NVMe?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eNo. 9300 supports SAS 3.0 (12Gb\/s) and SATA III (6Gb\/s) only. For NVMe, use the Tri-Mode 9400\/9500 series.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat port configurations are available?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e9300-4i (4 internal), 9300-8i (8 internal), 9300-8e (8 external), 9300-16i (16 internal).\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"Broadcom","offers":[{"title":"Default Title","offer_id":55807004868900,"sku":"ALI-1601815563515","price":36.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/lsi-9300-8e.webp?v=1784863594"},{"product_id":"server-graphics-card-used-for-nvidia-quadro-rtx-6000-24gb-gd","title":"Server Graphics Card Used for NVIDIA Quadro RTX 6000 24GB GDDR6 Workstation GPU Computational Video Cards","description":"\u003ch2\u003eNVIDIA Quadro RTX 6000\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Quadro RTX 6000\u003c\/strong\u003e is a professional GPU with 24GB GDDR6 memory, 4608 CUDA cores, 72 RT cores, and 576 Tensor cores. Delivering 16.3 TFLOPS FP32 performance, it's designed for 3D rendering, AI inference, and scientific visualization.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGpu Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTuring TU102\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24GB GDDR6\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCuda Cores\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4608\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRt Cores\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e72\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTensor Cores\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e576\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFp32 Perf\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16.3 TFLOPS\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFp16 Perf\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32.6 TFLOPS (Tensor)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4× DP 1.4 + 1× USB-C VirtualLink\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e260W (8+6-pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the Quadro RTX 6000?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe NVIDIA Quadro RTX 6000 is a 24GB professional GPU with Turing architecture, 4608 CUDA cores, and RT\/Tensor cores—designed for 3D rendering, AI inference, and scientific visualization.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eCan RTX 6000 be used for AI training?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eRTX 6000 supports FP16 Tensor operations at 32.6 TFLOPS—suitable for small\/medium AI training and inference. For large-scale training, A100\/H100 are recommended.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat display outputs does RTX 6000 have?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e4× DisplayPort 1.4 + 1× USB-C VirtualLink (for VR headsets)—up to 4× 4K @ 120Hz or 8K @ 60Hz.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does RTX 6000 compare to RTX A6000?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eRTX A6000 (Ampere) has 48GB GDDR6, 10752 CUDA cores, and 2× performance. RTX 6000 (Turing) remains popular for 3D rendering at lower cost.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807005196580,"sku":"ALI-1601843540929","price":805.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/quadro-rtx-6000.webp?v=1784863598"},{"product_id":"used-hgst-8tb-enterprise-server-hdd-12gb-s-7200rpm-3-5-inte","title":"Used HGST 8TB Enterprise Server HDD 12Gb\/s 7200RPM 3.5\" Internal Hard Drive HUH728080AL5200","description":"\u003ch2\u003eHGST Ultrastar 8TB SAS HDD\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHGST Ultrastar 8TB SAS HDD\u003c\/strong\u003e is a 8TB 7200 RPM enterprise 3.5\" HDD with SAS 12Gb\/s interface, 128MB cache, and 2M hours MTBF rating. With a 550TB\/year annual workload rating, it's designed for 24\/7 NAS, server, and datacenter storage environments.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8TB\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSAS 12Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5\" HDD\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRpm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7200 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCache\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e128MB\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e512e\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMtbf\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2M hours\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorkload\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e550TB\/year\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 11W active\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the HGST 8TB enterprise SAS drive?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe HGST Ultrastar 8TB is a 7200RPM SAS 12Gb\/s 3.5\" enterprise HDD—ideal for bulk storage, NAS, and backup archives in server environments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eIs HGST the same as WD?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eHGST (Hitachi Global Storage Technologies) was acquired by WD in 2012. HGST Ultrastar drives are now manufactured under WD but maintain the HGST brand for enterprise.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat workload rating does this drive have?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e550TB\/year—enterprise class, suitable for 24\/7 NAS and server operation.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eIs this compatible with RAID controllers?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. SAS dual-port and 512e sector format ensure compatibility with Broadcom\/LSI MegaRAID and Dell PERC controllers.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"HGST","offers":[{"title":"Default Title","offer_id":55807009390884,"sku":"ALI-1601820915969","price":310.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/hgst-8tb.webp?v=1784863671"},{"product_id":"100gbe-infiniband-hdr100-single-port-network-card-used-for-mellanox-cx6-mcx653105a-ecat-qsfp56-pcie-4-0-nic","title":"100GbE InfiniBand HDR100 Single-Port Network Card Used for Mellanox CX6 MCX653105A-ECAT QSFP56 PCIe 4.0 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-6\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-6\u003c\/strong\u003e is a 100\/200GbE + HDR InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 4.0 x16 host interface, RoCE v2, RDMA over IB HDR (200 Gbps) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.6 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-6\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100\/200GbE + HDR InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×200G QSFP56 \/ 2×100G QSFP28; HDR 200Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 4.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v2, RDMA over IB HDR (200 Gbps)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand HDR (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, Hardware Crypto (IPsec\/MACsec\/TLS), Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.6 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 40W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-6 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-6 is a 200GbE\/HDR InfiniBand VPI adapter with PCIe 4.0, hardware crypto offloads (IPsec\/MACsec\/TLS), and GPUDirect RDMA—designed for next-gen AI supercomputers and 200G storage fabrics.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-6 support hardware encryption?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-6 includes inline IPsec, MACsec, and TLS hardware crypto engines that offload encryption from the CPU at full line rate.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat PCIe does ConnectX-6 require?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003ePCIe 4.0 x16 for 200G line-rate. It also works in PCIe 3.0 x16 slots at reduced throughput (100G line-rate).\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-6 compare to ConnectX-7?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-7 adds 400GbE, PCIe 5.0, and data-path acceleration for DPU offload. ConnectX-6 remains the best value for 200GbE\/HDR deployments.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807029674276,"sku":"ALI-1601786792146","price":575.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-InfiniBand-HDR100-Single-Port-Network_73b31f77-f1cf-49fb-bf2f-678d81947913.webp?v=1784863965"},{"product_id":"25gbe-dual-port-network-card-used-for-mellanox-cx4-mcx4121a","title":"25GbE Dual-Port Network Card Used for Mellanox CX4 MCX4121A-ACAT SFP28 PCIe 3.0 X8 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-4\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-4\u003c\/strong\u003e is a 10\/25\/40\/50\/100GbE network adapter by NVIDIA Mellanox, featuring PCIe 3.0 x16 host interface, RoCE v1 \u0026amp; v2, RDMA over IB (up to 100 Gbps) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 1.3 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-4\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/25\/40\/50\/100GbE\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×100G QSFP28 \/ 2×50G \/ 4×25G\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v1 \u0026amp; v2, RDMA over IB (up to 100 Gbps)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand FDR10\/EDR\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1.3 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 25W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-4 network adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-4 is a 100GbE\/EDR InfiniBand network adapter supporting RoCE v1\/v2 RDMA, NVMe-oF, and GPUDirect—designed for HPC, cloud, and storage workloads.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-4 support NVMe-oF?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-4 supports NVMe-oF target and initiator modes for remote NVMe storage access over Ethernet or InfiniBand.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat PCIe generation does ConnectX-4 use?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003ePCIe 3.0 x16, providing up to 128 Gbps host bandwidth for 100GbE line-rate operation.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-4 compare to ConnectX-5?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-5 adds higher throughput (200GbE HDR), ConnectX-6 VPI mode, advanced NVMe-oF offloads, and PCIe 4.0 support. ConnectX-4 remains excellent for 100GbE deployments at lower cost.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807032852772,"sku":"ALI-1601786075248","price":78.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/25GbE-Dual-Port-Network-Card-Used.webp?v=1784864019"},{"product_id":"200gbe-infiniband-hdr-single-port-network-card-used-for-mell","title":"200GbE InfiniBand HDR Single-Port Network Card Used for Mellanox CX6 MCX653105A-HDAT QSFP56 PCIe 4.0 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-6\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-6\u003c\/strong\u003e is a 100\/200GbE + HDR InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 4.0 x16 host interface, RoCE v2, RDMA over IB HDR (200 Gbps) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.6 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-6\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100\/200GbE + HDR InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×200G QSFP56 \/ 2×100G QSFP28; HDR 200Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 4.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v2, RDMA over IB HDR (200 Gbps)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand HDR (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, Hardware Crypto (IPsec\/MACsec\/TLS), Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.6 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 40W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-6 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-6 is a 200GbE\/HDR InfiniBand VPI adapter with PCIe 4.0, hardware crypto offloads (IPsec\/MACsec\/TLS), and GPUDirect RDMA—designed for next-gen AI supercomputers and 200G storage fabrics.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-6 support hardware encryption?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-6 includes inline IPsec, MACsec, and TLS hardware crypto engines that offload encryption from the CPU at full line rate.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat PCIe does ConnectX-6 require?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003ePCIe 4.0 x16 for 200G line-rate. It also works in PCIe 3.0 x16 slots at reduced throughput (100G line-rate).\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-6 compare to ConnectX-7?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-7 adds 400GbE, PCIe 5.0, and data-path acceleration for DPU offload. ConnectX-6 remains the best value for 200GbE\/HDR deployments.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807033180452,"sku":"ALI-1601786741652","price":876.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/200GbE-InfiniBand-HDR-Single-Port-Network.webp?v=1784864027"},{"product_id":"200gbe-infiniband-hdr-single-port-network-card-used-for-mell-1","title":"200GbE InfiniBand HDR Single-Port Network Card Used for Mellanox CX6 MCX653105A-HDAT QSFP56 PCIe 4.0 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-6\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-6\u003c\/strong\u003e is a 100\/200GbE + HDR InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 4.0 x16 host interface, RoCE v2, RDMA over IB HDR (200 Gbps) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.6 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-6\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100\/200GbE + HDR InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×200G QSFP56 \/ 2×100G QSFP28; HDR 200Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 4.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v2, RDMA over IB HDR (200 Gbps)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand HDR (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, Hardware Crypto (IPsec\/MACsec\/TLS), Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.6 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 40W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-6 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-6 is a 200GbE\/HDR InfiniBand VPI adapter with PCIe 4.0, hardware crypto offloads (IPsec\/MACsec\/TLS), and GPUDirect RDMA—designed for next-gen AI supercomputers and 200G storage fabrics.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-6 support hardware encryption?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-6 includes inline IPsec, MACsec, and TLS hardware crypto engines that offload encryption from the CPU at full line rate.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat PCIe does ConnectX-6 require?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003ePCIe 4.0 x16 for 200G line-rate. It also works in PCIe 3.0 x16 slots at reduced throughput (100G line-rate).\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-6 compare to ConnectX-7?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-7 adds 400GbE, PCIe 5.0, and data-path acceleration for DPU offload. ConnectX-6 remains the best value for 200GbE\/HDR deployments.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807033475364,"sku":"ALI-1601790684593","price":1386.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/200GbE-InfiniBand-HDR-Single-Port-Network_b7aeaafc-b971-4267-884f-191cde32b71e.webp?v=1784864034"},{"product_id":"25gbe-dual-port-network-card-used-for-mellanox-cx5-mcx512a-a","title":"25GbE Dual-Port Network Card Used for Mellanox CX5 MCX512A-ACUT SFP28 PCIe 3.0 x8 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-5\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-5\u003c\/strong\u003e is a 10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 3.0 x16 host interface, RoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.8 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-5\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×100G \/ 2×50G \/ 4×25G (QSFP28); 1×25G (SFP28); 1×100GbE HDR (QSFP28)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand EDR\/HDR100 (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, GPUDirect Async, Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.8 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 30W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-5 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-5 is a dual-mode 100GbE\/InfiniBand VPI adapter with RoCE v2 and IB RDMA, NVMe-oF, and GPUDirect RDMA—the most versatile adapter for mixed Ethernet+IB datacenter deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-5 support both Ethernet and InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-5 VPI adapters can operate in Ethernet or InfiniBand mode (EDR 100G or HDR100 100G) per-port, enabling flexible deployment in mixed environments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is GPUDirect RDMA on ConnectX-5?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eGPUDirect RDMA allows NVIDIA GPUs to read\/write network data directly without CPU involvement, reducing latency to \u0026lt;0.8 μs and enabling peer-to-peer GPU communication for AI training.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-5 compare to ConnectX-6?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-6 adds 200GbE HDR InfiniBand, PCIe 4.0 x16, and advanced crypto\/security offloads. ConnectX-5 is ideal for 100GbE deployments; ConnectX-6 for 200G\/HDR interconnects.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807035965732,"sku":"ALI-1601803612482","price":276.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/25GbE-Dual-Port-Network-Card-Used_366a3378-bad8-4a7c-8a50-a938abb49e86.webp?v=1784864093"},{"product_id":"25gbe-dual-port-network-card-used-for-mellanox-cx4-mcx4121a-1","title":"25GbE Dual-Port Network Card Used for Mellanox CX4 MCX4121A-ACAT PCIe 3.0 X8 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-4\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-4\u003c\/strong\u003e is a 10\/25\/40\/50\/100GbE network adapter by NVIDIA Mellanox, featuring PCIe 3.0 x16 host interface, RoCE v1 \u0026amp; v2, RDMA over IB (up to 100 Gbps) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 1.3 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-4\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/25\/40\/50\/100GbE\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×100G QSFP28 \/ 2×50G \/ 4×25G\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v1 \u0026amp; v2, RDMA over IB (up to 100 Gbps)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand FDR10\/EDR\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1.3 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 25W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-4 network adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-4 is a 100GbE\/EDR InfiniBand network adapter supporting RoCE v1\/v2 RDMA, NVMe-oF, and GPUDirect—designed for HPC, cloud, and storage workloads.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-4 support NVMe-oF?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-4 supports NVMe-oF target and initiator modes for remote NVMe storage access over Ethernet or InfiniBand.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat PCIe generation does ConnectX-4 use?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003ePCIe 3.0 x16, providing up to 128 Gbps host bandwidth for 100GbE line-rate operation.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-4 compare to ConnectX-5?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-5 adds higher throughput (200GbE HDR), ConnectX-6 VPI mode, advanced NVMe-oF offloads, and PCIe 4.0 support. ConnectX-4 remains excellent for 100GbE deployments at lower cost.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807037833508,"sku":"ALI-1601786071458","price":72.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/25GbE-Dual-Port-Network-Card-Used_332756c4-3e3a-46fe-8db3-921a0ac0e523.webp?v=1784864108"},{"product_id":"200gbe-infiniband-hdr-dual-port-network-card-used-for-mellan","title":"200GbE InfiniBand HDR Dual-Port Network Card Used for Mellanox CX6 MCX653106A-HDAT QSFP56 PCIe 4.0 x16 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-6\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-6\u003c\/strong\u003e is a 100\/200GbE + HDR InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 4.0 x16 host interface, RoCE v2, RDMA over IB HDR (200 Gbps) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.6 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-6\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100\/200GbE + HDR InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×200G QSFP56 \/ 2×100G QSFP28; HDR 200Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 4.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v2, RDMA over IB HDR (200 Gbps)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand HDR (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, Hardware Crypto (IPsec\/MACsec\/TLS), Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.6 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 40W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-6 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-6 is a 200GbE\/HDR InfiniBand VPI adapter with PCIe 4.0, hardware crypto offloads (IPsec\/MACsec\/TLS), and GPUDirect RDMA—designed for next-gen AI supercomputers and 200G storage fabrics.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-6 support hardware encryption?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-6 includes inline IPsec, MACsec, and TLS hardware crypto engines that offload encryption from the CPU at full line rate.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat PCIe does ConnectX-6 require?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003ePCIe 4.0 x16 for 200G line-rate. It also works in PCIe 3.0 x16 slots at reduced throughput (100G line-rate).\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-6 compare to ConnectX-7?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-7 adds 400GbE, PCIe 5.0, and data-path acceleration for DPU offload. ConnectX-6 remains the best value for 200GbE\/HDR deployments.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807038193956,"sku":"ALI-1601786757817","price":1386.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/200GbE-InfiniBand-HDR-Dual-Port-Network.webp?v=1784864112"},{"product_id":"100gbe-dual-port-network-card-used-for-mellanox-cx5-mcx516a","title":"100GbE Dual-Port Network Card Used for Mellanox CX5 MCX516A-CCAT PCIe 3.0 x16 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-5\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-5\u003c\/strong\u003e is a 10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 3.0 x16 host interface, RoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.8 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-5\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×100G \/ 2×50G \/ 4×25G (QSFP28); 1×25G (SFP28); 1×100GbE HDR (QSFP28)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand EDR\/HDR100 (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, GPUDirect Async, Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.8 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 30W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-5 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-5 is a dual-mode 100GbE\/InfiniBand VPI adapter with RoCE v2 and IB RDMA, NVMe-oF, and GPUDirect RDMA—the most versatile adapter for mixed Ethernet+IB datacenter deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-5 support both Ethernet and InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-5 VPI adapters can operate in Ethernet or InfiniBand mode (EDR 100G or HDR100 100G) per-port, enabling flexible deployment in mixed environments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is GPUDirect RDMA on ConnectX-5?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eGPUDirect RDMA allows NVIDIA GPUs to read\/write network data directly without CPU involvement, reducing latency to \u0026lt;0.8 μs and enabling peer-to-peer GPU communication for AI training.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-5 compare to ConnectX-6?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-6 adds 200GbE HDR InfiniBand, PCIe 4.0 x16, and advanced crypto\/security offloads. ConnectX-5 is ideal for 100GbE deployments; ConnectX-6 for 200G\/HDR interconnects.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807040225572,"sku":"ALI-1601787607121","price":486.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-Dual-Port-Network-Card-Used_33c35836-4b77-4591-94d0-615aff699314.webp?v=1784864185"},{"product_id":"100gbe-dual-port-network-card-used-for-mellanox-cx5-mcx516a-1","title":"100GbE Dual-Port Network Card Used for Mellanox CX5 MCX516A-CDAT PCIe 3.0 X16 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-5\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-5\u003c\/strong\u003e is a 10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 3.0 x16 host interface, RoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.8 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-5\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×100G \/ 2×50G \/ 4×25G (QSFP28); 1×25G (SFP28); 1×100GbE HDR (QSFP28)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand EDR\/HDR100 (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, GPUDirect Async, Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.8 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 30W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-5 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-5 is a dual-mode 100GbE\/InfiniBand VPI adapter with RoCE v2 and IB RDMA, NVMe-oF, and GPUDirect RDMA—the most versatile adapter for mixed Ethernet+IB datacenter deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-5 support both Ethernet and InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-5 VPI adapters can operate in Ethernet or InfiniBand mode (EDR 100G or HDR100 100G) per-port, enabling flexible deployment in mixed environments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is GPUDirect RDMA on ConnectX-5?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eGPUDirect RDMA allows NVIDIA GPUs to read\/write network data directly without CPU involvement, reducing latency to \u0026lt;0.8 μs and enabling peer-to-peer GPU communication for AI training.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-5 compare to ConnectX-6?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-6 adds 200GbE HDR InfiniBand, PCIe 4.0 x16, and advanced crypto\/security offloads. ConnectX-5 is ideal for 100GbE deployments; ConnectX-6 for 200G\/HDR interconnects.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807040291108,"sku":"ALI-1601787610742","price":603.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-Dual-Port-Network-Card-Used_ed35729e-8123-4b57-b4e0-412ec1939919.webp?v=1784864196"},{"product_id":"pcie-hba-controller-card-used-for-broadcom-9400-8i-12gb-s-sa","title":"PCIe HBA Controller Card Used for Broadcom 9400-8i 12Gb\/s SAS SATA NVMe Tri-Mode IT Mode","description":"\u003ch2\u003eBroadcom Tri-Mode HBA 9400\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBroadcom Tri-Mode HBA 9400\u003c\/strong\u003e is a Tri-Mode HBA (NVMe\/SAS\/SATA pass-through) with PCIe 4.0 host interface and 12Gb\/s SAS 3.0 + NVMe PCIe 4.0 port speed, supporting None (HBA pass-through) RAID levels and No cache write cache. Yes Tri-Mode capability enables simultaneous NVMe, SAS, and SATA drive connectivity—ideal for 8i, 8e, 16i server storage configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 4.0\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12Gb\/s SAS 3.0 + NVMe PCIe 4.0\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8i, 8e, 16i\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSata Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSATA III 6Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNvme Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (Tri-Mode: NVMe\/SAS\/SATA)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTri Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRaid Levels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone (HBA pass-through)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCache\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo cache\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the Tri-Mode HBA 9400?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Broadcom 9400 is a Tri-Mode HBA supporting NVMe, SAS, and SATA drives simultaneously on the same ports—ideal for mixed-drive JBOD deployments and software-defined storage.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat does Tri-Mode mean?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eTri-Mode allows each port to connect NVMe (PCIe 4.0), SAS (12Gb\/s), or SATA (6Gb\/s) drives—enabling mixed storage topologies without separate controllers.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eCan 9400 do RAID?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eNo. 9400 is HBA pass-through. For Tri-Mode RAID, use the 9460 or 9560 series.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat PCIe generation does 9400 use?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003ePCIe 4.0 x8 for full Tri-Mode bandwidth.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"Broadcom","offers":[{"title":"Default Title","offer_id":55807040356644,"sku":"ALI-1601803972209","price":170.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/PCIe-HBA-Controller-Card-Used-for.webp?v=1784864203"},{"product_id":"14tb-sas-hard-drive-used-for-wd-wuh721414al5200-12gb-s-7200r","title":"14TB SAS Hard Drive Used for WD WUH721414AL5200 12Gb\/s 7200RPM 3.5 Inch Enterprise Hard Disk PN 0F31067","description":"\u003ch2\u003eWD Ultrastar WUH721414AL5200\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eWD Ultrastar WUH721414AL5200\u003c\/strong\u003e is a 14TB 7200 RPM enterprise 3.5\" HDD with SAS 12Gb\/s interface, 512MB cache, and 2.5M hours MTBF rating. With a 550TB\/year annual workload rating, it's designed for 24\/7 NAS, server, and datacenter storage environments.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14TB\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSAS 12Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5\" HDD\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRpm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7200 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCache\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e512MB\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e512e\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMtbf\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5M hours\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorkload\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e550TB\/year\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 9.5W idle, ≤ 12.0W active\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the WD Ultrastar 14TB SAS drive?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe WD WUH721414AL5200 is a 14TB 7200RPM SAS 12Gb\/s enterprise HDD with 512MB cache and 2.5M hour MTBF—ideal for high-density NAS and cloud archival storage.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat cache size does this 14TB drive have?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e512MB—double the 10TB model—for improved sequential and random I\/O performance in RAID arrays.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eIs this suitable for NAS?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. 550TB\/year workload rating and SAS dual-port make it enterprise NAS-ready.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat warranty does Ultrastar provide?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e5-year manufacturer warranty for enterprise use.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"Western Digital","offers":[{"title":"Default Title","offer_id":55807041143076,"sku":"ALI-1601820987648","price":391.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/14TB-SAS-Hard-Drive-Used-for.webp?v=1784864265"},{"product_id":"10tb-sas-hard-drive-used-for-wd-huh721010al5200-12g-7200rpm","title":"10TB SAS Hard Drive Used for WD HUH721010AL5200 12G 7200RPM 3.5\" Enterprise Hard Disk for Storage Array","description":"\u003ch2\u003eWD Ultrastar HUH721010AL5200\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eWD Ultrastar HUH721010AL5200\u003c\/strong\u003e is a 10TB 7200 RPM enterprise 3.5\" HDD with SAS 12Gb\/s interface, 256MB cache, and 2.5M hours MTBF rating. With a 550TB\/year (enterprise) annual workload rating, it's designed for 24\/7 NAS, server, and datacenter storage environments.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10TB\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSAS 12Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5\" HDD\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRpm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7200 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCache\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e256MB\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e512e (4Kn available)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMtbf\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5M hours\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorkload\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e550TB\/year (enterprise)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 9.5W idle, ≤ 11.5W active\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the WD Ultrastar 10TB SAS drive?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe WD HUH721010AL5200 is a 10TB 7200RPM SAS 12Gb\/s enterprise HDD with 2.5M hour MTBF and 550TB\/year workload rating—ideal for server NAS, bulk storage, and archival.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eIs this drive suitable for RAID arrays?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. 512e sector format and SAS dual-port make it fully RAID-compatible for enterprise arrays.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the workload rating?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e550TB\/year—enterprise class, significantly higher than consumer\/desktop drives (180TB\/year).\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes it support 4K native sectors?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eA 4Kn variant (HUH721010AL4200) is available. This model uses 512e emulation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"Western Digital","offers":[{"title":"Default Title","offer_id":55807042355492,"sku":"ALI-1601821010306","price":333.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/10TB-SAS-Hard-Drive-Used-for.webp?v=1784864272"},{"product_id":"2u-rack-server-used-for-hpe-dl380-gen10-8sff-barebone-chassi","title":"2U Rack Server Used for HPE DL380 Gen10 8SFF Barebone Chassis P408i-a RAID Controller No CPU RAM","description":"\u003ch2\u003eHPE ProLiant DL380 Gen10 2U Rack Server\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHPE ProLiant DL380 Gen10\u003c\/strong\u003e is a versatile 2U dual-socket server—the most widely deployed enterprise rack server for virtualization, databases, and general compute. Supporting Intel Xeon Scalable processors (1st\/2nd\/3rd Gen), up to 1.5TB DDR4 memory, and flexible 8SFF or 12LFF storage configurations, it handles everything from lightweight VMs to dense database workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Barebone chassis (no CPU\/RAM installed) — includes P408i-a RAID controller, PSU, fans, motherboard. CPU, memory, and drives are customer-configurable.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2U Rack Server\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCPU Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntel Xeon Scalable (1st\/2nd\/3rd Gen), up to 2 CPUs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 1.5TB DDR4 (24 DIMM slots)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8SFF (2.5in) NVMe\/SAS\/SATA or 12LFF (3.5in) SAS\/SATA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRAID Controller\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eP408i-a (included in barebone)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCIe Slots\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3x PCIe 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNetwork\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4x 1GbE + FlexibleLOM slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2x 800W\/1400W PSU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManagement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eiLO 5 with remote console, virtual media, RESTful API\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the HPE DL380 Gen10?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe HPE ProLiant DL380 Gen10 is a versatile 2U dual-socket server—the most widely deployed enterprise rack server for virtualization, databases, and general compute.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat storage configurations are available?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e8SFF (2.5in) NVMe\/SAS\/SATA or 12LFF (3.5in) SAS\/SATA—flexible for both performance and capacity workloads.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eIs this barebone?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eBarebone includes chassis, PSU, fans, motherboard, and P408i-a RAID controller. CPU, memory, and drives are separately configurable.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat iLO management features?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eiLO 5 with remote console, virtual media, thermal monitoring, and RESTful API for automation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"HPE","offers":[{"title":"Default Title","offer_id":55807042388260,"sku":"ALI-1601820392581","price":419.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/2U-Rack-Server-Used-for-HPE.webp?v=1784864276"},{"product_id":"2u-rack-server-used-for-dell-poweredge-r750xa-barebone-dual","title":"2U Rack Server Used for DELL PowerEdge R750xa Barebone Dual Socket for AI GPU Computing HPC","description":"\u003ch2\u003eDell PowerEdge R750xa\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDell PowerEdge R750xa\u003c\/strong\u003e is a 2U Rack Server supporting Intel Xeon Scalable (3rd\/4th Gen) up to 2× CPU, up to Up to 2TB DDR4 (32 DIMM slots) memory, and Up to 4× NVIDIA A100\/A30\/A10 GPU (PCIe). Designed for enterprise compute, virtualization, and AI\/ML workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2U Rack Server\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCpu\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntel Xeon Scalable (3rd\/4th Gen) up to 2× CPU\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 2TB DDR4 (32 DIMM slots)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGpu\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 4× NVIDIA A100\/A30\/A10 GPU (PCIe)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8× 2.5\" NVMe\/SAS\/SATA (front) + 2× NVMe M.2 (rear)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6× PCIe 4.0 slots (2× x16, 4× x8)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNetwork\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2× 1GbE RJ45 + 4× NIC slots (OCP 3.0)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2× 1400W\/1800W PSU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the Dell R750xa server?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe PowerEdge R750xa is a 2U GPU-accelerated server supporting up to 4 NVIDIA A100 GPUs, 2 Intel Xeon CPUs, and 2TB DDR4—designed for AI training, inference, and HPC workloads.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow many GPUs can R750xa hold?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eUp to 4× NVIDIA A100\/A30\/A10 PCIe GPUs with dedicated airflow channels.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat storage does R750xa support?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e8× 2.5\" front bays (NVMe\/SAS\/SATA) + 2× M.2 NVMe boot drives. Up to 4× NVMe direct-attach to CPU.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eIs this a barebone configuration?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eBarebone configurations include chassis, PSU, fans, and motherboard—CPU, memory, GPU, and storage are customer-installed.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"Dell","offers":[{"title":"Default Title","offer_id":55807042421028,"sku":"ALI-1601820390785","price":4140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/2U-Rack-Server-Used-for-DELL.webp?v=1784864284"},{"product_id":"100gbe-qsfp28-ethernet-switch-used-for-mellanox-sn2700-msn27","title":"100GbE QSFP28 Ethernet Switch Used for Mellanox SN2700 MSN2700-CS2F 32-Port Open Network Switch","description":"\u003ch2\u003eNVIDIA Mellanox Spectrum SN2700 32-Port 100GbE QSFP28 Datacenter Switch\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox Spectrum SN2700 32-Port 100GbE QSFP28 Datacenter Switch\u003c\/strong\u003e is a high-performance datacenter Ethernet switch powered by the NVIDIA Spectrum-1 ASIC, delivering 6.4 Tbps full duplex of non-blocking throughput with 32 × 100GbE QSFP28 (configurable as 32×100G \/ 64×50G \/ 128×25G \/ 8×40G) ports. Designed for High-performance computing (HPC), it provides \u0026lt; 300 ns cut-through cut-through latency and 12 MB shared packet buffer shared packet buffer for lossless RoCE v2 RDMA transport.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpectrum-1\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 × 100GbE QSFP28 (configurable as 32×100G \/ 64×50G \/ 128×25G \/ 8×40G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThroughput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.4 Tbps full duplex\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 300 ns cut-through\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePacket Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.76 Bpps\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 MB shared packet buffer\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 180W typical\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e440 × 430 × 43 mm (1U)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1× RJ45 management, 1× micro-USB console\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMLNX-OS (Cumulus Linux compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVXLAN, EVPN, RoCE v2, PFC, ECN, DCB, IGMP\/MLD snooping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVXLAN\u003c\/li\u003e\n\u003cli\u003eEVPN\u003c\/li\u003e\n\u003cli\u003eRoCE v2\u003c\/li\u003e\n\u003cli\u003ePFC\u003c\/li\u003e\n\u003cli\u003eECN\u003c\/li\u003e\n\u003cli\u003eDCB\u003c\/li\u003e\n\u003cli\u003eIGMP\/MLD snooping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cp\u003eHigh-performance computing (HPC), financial trading, cloud datacenter spine\/leaf, AI\/ML training clusters\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the Mellanox SN2700 switch used for?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe SN2700 is a 32-port 100GbE datacenter switch designed for HPC, financial trading floors, and cloud spine-leaf architectures where ultra-low latency (\u0026lt;300 ns) and zero packet loss are critical.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes the SN2700 support InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eNo. The SN2700 is an Ethernet-only switch based on the Spectrum-1 ASIC. For InfiniBand, look at the NVIDIA Quantum series (QM8700, QM9700).\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eCan SN2700 ports be split into 25GbE or 50GbE?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. Each 100GbE QSFP28 port can be split into 2×50GbE or 4×25GbE using breakout cables, giving up to 128×25GbE ports total.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat operating systems run on the SN2700?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eMLNX-OS and Cumulus Linux are officially supported. SONiC is also available as a community option.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807042453796,"sku":"ALI-1601822791264","price":1863.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-QSFP28-Ethernet-Switch-Used-for.webp?v=1784864290"},{"product_id":"100gbe-qsfp28-ethernet-switch-used-for-mellanox-sn2700-msn27-1","title":"100GbE QSFP28 Ethernet Switch Used for Mellanox SN2700 MSN2700-CS2R 32-Port Open Network Switch","description":"\u003ch2\u003eNVIDIA Mellanox Spectrum SN2700 32-Port 100GbE QSFP28 Datacenter Switch\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox Spectrum SN2700 32-Port 100GbE QSFP28 Datacenter Switch\u003c\/strong\u003e is a high-performance datacenter Ethernet switch powered by the NVIDIA Spectrum-1 ASIC, delivering 6.4 Tbps full duplex of non-blocking throughput with 32 × 100GbE QSFP28 (configurable as 32×100G \/ 64×50G \/ 128×25G \/ 8×40G) ports. Designed for High-performance computing (HPC), it provides \u0026lt; 300 ns cut-through cut-through latency and 12 MB shared packet buffer shared packet buffer for lossless RoCE v2 RDMA transport.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpectrum-1\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 × 100GbE QSFP28 (configurable as 32×100G \/ 64×50G \/ 128×25G \/ 8×40G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThroughput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.4 Tbps full duplex\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 300 ns cut-through\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePacket Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.76 Bpps\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 MB shared packet buffer\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 180W typical\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e440 × 430 × 43 mm (1U)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1× RJ45 management, 1× micro-USB console\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMLNX-OS (Cumulus Linux compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVXLAN, EVPN, RoCE v2, PFC, ECN, DCB, IGMP\/MLD snooping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVXLAN\u003c\/li\u003e\n\u003cli\u003eEVPN\u003c\/li\u003e\n\u003cli\u003eRoCE v2\u003c\/li\u003e\n\u003cli\u003ePFC\u003c\/li\u003e\n\u003cli\u003eECN\u003c\/li\u003e\n\u003cli\u003eDCB\u003c\/li\u003e\n\u003cli\u003eIGMP\/MLD snooping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cp\u003eHigh-performance computing (HPC), financial trading, cloud datacenter spine\/leaf, AI\/ML training clusters\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the Mellanox SN2700 switch used for?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe SN2700 is a 32-port 100GbE datacenter switch designed for HPC, financial trading floors, and cloud spine-leaf architectures where ultra-low latency (\u0026lt;300 ns) and zero packet loss are critical.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes the SN2700 support InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eNo. The SN2700 is an Ethernet-only switch based on the Spectrum-1 ASIC. For InfiniBand, look at the NVIDIA Quantum series (QM8700, QM9700).\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eCan SN2700 ports be split into 25GbE or 50GbE?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. Each 100GbE QSFP28 port can be split into 2×50GbE or 4×25GbE using breakout cables, giving up to 128×25GbE ports total.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat operating systems run on the SN2700?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eMLNX-OS and Cumulus Linux are officially supported. SONiC is also available as a community option.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807042715940,"sku":"ALI-1601822734839","price":1840.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-QSFP28-Ethernet-Switch-Used-for_c98ff440-4e15-45e0-a56f-ec45be9e30e9.webp?v=1784864296"},{"product_id":"100gbe-qsfp28-ethernet-switch-used-for-mellanox-sn3800-cs2f","title":"100GbE QSFP28 Ethernet Switch Used for Mellanox SN3800-CS2F 64-Port 2U Network Switch","description":"\u003ch2\u003eNVIDIA Mellanox Spectrum-3 SN3800 Multi-Speed Datacenter Switch\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox Spectrum-3 SN3800 Multi-Speed Datacenter Switch\u003c\/strong\u003e is a high-performance datacenter Ethernet switch powered by the NVIDIA Spectrum-3 ASIC, delivering 12.8 Tbps full duplex of non-blocking throughput with Variable: up to 36×200GbE \/ 64×100GbE \/ 128×50GbE \/ 256×25GbE \/ 8×400GbE ports. Designed for 400G\/200G cloud spine, it provides \u0026lt; 250 ns cut-through cut-through latency and 64 MB shared packet buffer shared packet buffer for lossless RoCE v2 RDMA transport.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpectrum-3\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVariable: up to 36×200GbE \/ 64×100GbE \/ 128×50GbE \/ 256×25GbE \/ 8×400GbE\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThroughput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.8 Tbps full duplex\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 250 ns cut-through\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePacket Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.52 Bpps\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64 MB shared packet buffer\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 350W typical\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e440 × 470 × 43 mm (1U)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1× RJ45 management, 1× micro-USB console, 1× USB 3.0\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCumulus Linux, SONiC, MLNX-OS\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVXLAN, EVPN, RoCE v2, PFC, ECN, DCB, NAT, VRF, ACL 24K, Advanced Mirroring, sFlow, QoS per-queue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVXLAN\u003c\/li\u003e\n\u003cli\u003eEVPN\u003c\/li\u003e\n\u003cli\u003eRoCE v2\u003c\/li\u003e\n\u003cli\u003ePFC\u003c\/li\u003e\n\u003cli\u003eECN\u003c\/li\u003e\n\u003cli\u003eDCB\u003c\/li\u003e\n\u003cli\u003eNAT\u003c\/li\u003e\n\u003cli\u003eVRF\u003c\/li\u003e\n\u003cli\u003eACL 24K\u003c\/li\u003e\n\u003cli\u003eAdvanced Mirroring\u003c\/li\u003e\n\u003cli\u003esFlow\u003c\/li\u003e\n\u003cli\u003eQoS per-queue\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cp\u003e400G\/200G cloud spine, AI\/ML large-scale training, HPC, storage NVMe-oF, telecom core\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat speeds does the SN3800 support?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe SN3800 supports 25G, 50G, 100G, 200G, and 400GbE simultaneously on different ports—making it ideal for mixed-speed cloud spine deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does SN3800 compare to SN3700?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eSN3800 uses the Spectrum-3 ASIC with 12.8 Tbps throughput (vs 7.2 Tbps), 64 MB buffer (vs 16 MB), and supports 400G ports. It's designed for next-generation 400G spine while SN3700 targets 100G\/200G leaf.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eCan SN3800 be used as a spine switch?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. With up to 8×400GbE or 36×200GbE ports and 12.8 Tbps throughput, the SN3800 is designed for high-density cloud spine layers.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat buffer size does SN3800 have?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e64 MB shared packet buffer—4× larger than SN3700—ensuring zero packet loss even under heavy RoCE v2 RDMA traffic in AI training clusters.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807042748708,"sku":"ALI-1601824487232","price":5865.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-QSFP28-Ethernet-Switch-Used-for_21422771-da21-4fb4-b909-ad3a4d06a310.webp?v=1784864303"},{"product_id":"100gbe-qsfp28-ethernet-switch-used-for-mellanox-sn3700-vs2fc","title":"100GbE QSFP28 Ethernet Switch Used for Mellanox SN3700-VS2FC 36-Port Network Switch","description":"\u003ch2\u003eNVIDIA Mellanox Spectrum-2 SN3700 36-Port 100GbE QSFP28 Datacenter Switch\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox Spectrum-2 SN3700 36-Port 100GbE QSFP28 Datacenter Switch\u003c\/strong\u003e is a high-performance datacenter Ethernet switch powered by the NVIDIA Spectrum-2 ASIC, delivering 7.2 Tbps full duplex of non-blocking throughput with 36 × 100GbE QSFP28 (configurable as 36×100G \/ 72×50G \/ 144×25G \/ 4×200G) ports. Designed for AI\/ML training clusters (GPU interconnect), it provides \u0026lt; 250 ns cut-through cut-through latency and 16 MB shared packet buffer shared packet buffer for lossless RoCE v2 RDMA transport.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpectrum-2\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36 × 100GbE QSFP28 (configurable as 36×100G \/ 72×50G \/ 144×25G \/ 4×200G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThroughput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.2 Tbps full duplex\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 250 ns cut-through\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePacket Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.4 Bpps\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 MB shared packet buffer\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 250W typical\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e440 × 430 × 43 mm (1U)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1× RJ45 management, 1× micro-USB console\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMLNX-OS, Cumulus Linux, SONiC\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVXLAN, EVPN, RoCE v2, PFC, ECN, DCB, IPv6, sFlow, Advanced Mirroring, NAT, NAT64, VRF, ACL 12K entries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVXLAN\u003c\/li\u003e\n\u003cli\u003eEVPN\u003c\/li\u003e\n\u003cli\u003eRoCE v2\u003c\/li\u003e\n\u003cli\u003ePFC\u003c\/li\u003e\n\u003cli\u003eECN\u003c\/li\u003e\n\u003cli\u003eDCB\u003c\/li\u003e\n\u003cli\u003eIPv6\u003c\/li\u003e\n\u003cli\u003esFlow\u003c\/li\u003e\n\u003cli\u003eAdvanced Mirroring\u003c\/li\u003e\n\u003cli\u003eNAT\u003c\/li\u003e\n\u003cli\u003eNAT64\u003c\/li\u003e\n\u003cli\u003eVRF\u003c\/li\u003e\n\u003cli\u003eACL 12K entries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cp\u003eAI\/ML training clusters (GPU interconnect), cloud spine-leaf, storage fabrics (NVMe-oF), HPC, telecom edge\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the Mellanox SN3700 switch used for?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe SN3700 is a 36-port 100GbE datacenter switch powered by the Spectrum-2 ASIC, optimized for AI\/ML GPU clusters, NVMe-oF storage fabrics, and cloud spine-leaf topologies requiring lossless Ethernet with RoCE v2.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does SN3700 compare to SN2700?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe SN3700 has 4 more 100G ports (36 vs 32), higher throughput (7.2 vs 6.4 Tbps), lower latency (\u0026lt;250 vs \u0026lt;300 ns), larger buffer (16 vs 12 MB), and supports 200G port mode. It uses the newer Spectrum-2 ASIC with advanced features like NAT, VRF, and larger ACL tables.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eCan SN3700 run 200GbE ports?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. The Spectrum-2 ASIC supports 200GbE mode on 4 QSFP28-DD ports (using 2×100G per port), enabling mixed-speed deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes SN3700 support RoCE for RDMA?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. The SN3700 fully supports RoCE v2 (RDMA over Converged Ethernet) with PFC and ECN for lossless transport—critical for GPU-to-GPU communication in AI training.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807042814244,"sku":"ALI-1601824549298","price":5100.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-QSFP28-Ethernet-Switch-Used-for_f5b88680-087e-4798-b908-6580b4743190.webp?v=1784864310"},{"product_id":"100gbe-dual-port-network-card-used-for-mellanox-connectx-5-m","title":"100GbE Dual-Port Network Card Used for Mellanox ConnectX-5 MCX516A-CDAT PCIe 4.0 x16 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-5\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-5\u003c\/strong\u003e is a 10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 3.0 x16 host interface, RoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.8 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-5\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×100G \/ 2×50G \/ 4×25G (QSFP28); 1×25G (SFP28); 1×100GbE HDR (QSFP28)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand EDR\/HDR100 (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, GPUDirect Async, Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.8 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 30W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-5 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-5 is a dual-mode 100GbE\/InfiniBand VPI adapter with RoCE v2 and IB RDMA, NVMe-oF, and GPUDirect RDMA—the most versatile adapter for mixed Ethernet+IB datacenter deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-5 support both Ethernet and InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-5 VPI adapters can operate in Ethernet or InfiniBand mode (EDR 100G or HDR100 100G) per-port, enabling flexible deployment in mixed environments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is GPUDirect RDMA on ConnectX-5?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eGPUDirect RDMA allows NVIDIA GPUs to read\/write network data directly without CPU involvement, reducing latency to \u0026lt;0.8 μs and enabling peer-to-peer GPU communication for AI training.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-5 compare to ConnectX-6?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-6 adds 200GbE HDR InfiniBand, PCIe 4.0 x16, and advanced crypto\/security offloads. ConnectX-5 is ideal for 100GbE deployments; ConnectX-6 for 200G\/HDR interconnects.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807042847012,"sku":"ALI-1601787366201","price":603.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-Dual-Port-Network-Card-Used_1e9cc418-3d8a-4495-8bb1-744bc76d96de.webp?v=1784864310"},{"product_id":"100g-qsfp28-ethernet-switch-used-for-mellanox-sn3700-vs2f-36","title":"100G QSFP28 Ethernet Switch Used for Mellanox SN3700-VS2F 36 Ports Rack Mount Network Switch","description":"\u003ch2\u003eNVIDIA Mellanox Spectrum-2 SN3700 36-Port 100GbE QSFP28 Datacenter Switch\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox Spectrum-2 SN3700 36-Port 100GbE QSFP28 Datacenter Switch\u003c\/strong\u003e is a high-performance datacenter Ethernet switch powered by the NVIDIA Spectrum-2 ASIC, delivering 7.2 Tbps full duplex of non-blocking throughput with 36 × 100GbE QSFP28 (configurable as 36×100G \/ 72×50G \/ 144×25G \/ 4×200G) ports. Designed for AI\/ML training clusters (GPU interconnect), it provides \u0026lt; 250 ns cut-through cut-through latency and 16 MB shared packet buffer shared packet buffer for lossless RoCE v2 RDMA transport.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpectrum-2\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36 × 100GbE QSFP28 (configurable as 36×100G \/ 72×50G \/ 144×25G \/ 4×200G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThroughput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.2 Tbps full duplex\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 250 ns cut-through\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePacket Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.4 Bpps\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 MB shared packet buffer\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 250W typical\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e440 × 430 × 43 mm (1U)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1× RJ45 management, 1× micro-USB console\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMLNX-OS, Cumulus Linux, SONiC\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVXLAN, EVPN, RoCE v2, PFC, ECN, DCB, IPv6, sFlow, Advanced Mirroring, NAT, NAT64, VRF, ACL 12K entries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVXLAN\u003c\/li\u003e\n\u003cli\u003eEVPN\u003c\/li\u003e\n\u003cli\u003eRoCE v2\u003c\/li\u003e\n\u003cli\u003ePFC\u003c\/li\u003e\n\u003cli\u003eECN\u003c\/li\u003e\n\u003cli\u003eDCB\u003c\/li\u003e\n\u003cli\u003eIPv6\u003c\/li\u003e\n\u003cli\u003esFlow\u003c\/li\u003e\n\u003cli\u003eAdvanced Mirroring\u003c\/li\u003e\n\u003cli\u003eNAT\u003c\/li\u003e\n\u003cli\u003eNAT64\u003c\/li\u003e\n\u003cli\u003eVRF\u003c\/li\u003e\n\u003cli\u003eACL 12K entries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cp\u003eAI\/ML training clusters (GPU interconnect), cloud spine-leaf, storage fabrics (NVMe-oF), HPC, telecom edge\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the Mellanox SN3700 switch used for?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe SN3700 is a 36-port 100GbE datacenter switch powered by the Spectrum-2 ASIC, optimized for AI\/ML GPU clusters, NVMe-oF storage fabrics, and cloud spine-leaf topologies requiring lossless Ethernet with RoCE v2.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does SN3700 compare to SN2700?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe SN3700 has 4 more 100G ports (36 vs 32), higher throughput (7.2 vs 6.4 Tbps), lower latency (\u0026lt;250 vs \u0026lt;300 ns), larger buffer (16 vs 12 MB), and supports 200G port mode. It uses the newer Spectrum-2 ASIC with advanced features like NAT, VRF, and larger ACL tables.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eCan SN3700 run 200GbE ports?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. The Spectrum-2 ASIC supports 200GbE mode on 4 QSFP28-DD ports (using 2×100G per port), enabling mixed-speed deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes SN3700 support RoCE for RDMA?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. The SN3700 fully supports RoCE v2 (RDMA over Converged Ethernet) with PFC and ECN for lossless transport—critical for GPU-to-GPU communication in AI training.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807042879780,"sku":"ALI-1601824521563","price":5106.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100G-QSFP28-Ethernet-Switch-Used-for.webp?v=1784864316"},{"product_id":"100gb-s-ethernet-adapter-card-used-for-mellanox-connect6-eca","title":"100Gb\/s Ethernet Adapter Card Used for Mellanox Connect6-ECAT InfiniBand Dual-port QSFP56 PCIe3.0\/4.0 X16 Wired","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-5\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-5\u003c\/strong\u003e is a 10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 3.0 x16 host interface, RoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.8 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-5\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×100G \/ 2×50G \/ 4×25G (QSFP28); 1×25G (SFP28); 1×100GbE HDR (QSFP28)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand EDR\/HDR100 (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, GPUDirect Async, Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.8 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 30W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-5 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-5 is a dual-mode 100GbE\/InfiniBand VPI adapter with RoCE v2 and IB RDMA, NVMe-oF, and GPUDirect RDMA—the most versatile adapter for mixed Ethernet+IB datacenter deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-5 support both Ethernet and InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-5 VPI adapters can operate in Ethernet or InfiniBand mode (EDR 100G or HDR100 100G) per-port, enabling flexible deployment in mixed environments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is GPUDirect RDMA on ConnectX-5?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eGPUDirect RDMA allows NVIDIA GPUs to read\/write network data directly without CPU involvement, reducing latency to \u0026lt;0.8 μs and enabling peer-to-peer GPU communication for AI training.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-5 compare to ConnectX-6?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-6 adds 200GbE HDR InfiniBand, PCIe 4.0 x16, and advanced crypto\/security offloads. ConnectX-5 is ideal for 100GbE deployments; ConnectX-6 for 200G\/HDR interconnects.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807043076388,"sku":"ALI-1601799969291","price":811.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100Gb-s-Ethernet-Adapter-Card-Used.webp?v=1784864333"},{"product_id":"used-dell-2-4tb-10k-sas-12gb-s-2-5-hdd-0f9nwj-hot-plug-internal-server-hard-drive","title":"Used Dell 2.4TB 10K SAS 12Gb\/s 2.5\" HDD 0F9NWJ Hot-Plug Internal Server Hard Drive","description":"\u003ch2\u003eDell 2.4TB 10K SAS HDD (0F9NWJ)\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDell 2.4TB 10K SAS HDD (0F9NWJ)\u003c\/strong\u003e is a 2.4TB 10,000 RPM enterprise 2.5\" SFF Hot-Plug with SAS 12Gb\/s interface, 128MB cache, and 2M hours MTBF rating. With a 550TB\/year annual workload rating, it's designed for 24\/7 NAS, server, and datacenter storage environments.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.4TB\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSAS 12Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5\" SFF Hot-Plug\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRpm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCache\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e128MB\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e512n\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMtbf\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2M hours\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorkload\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e550TB\/year\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 8.5W active\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the Dell 2.4TB 10K SAS drive?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Dell 0F9NWJ is a 2.4TB 10K RPM 2.5\" SAS 12Gb\/s enterprise HDD—optimized for database, email, and transactional workloads requiring faster I\/O than 7200RPM drives.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhy choose 10K RPM over 7200RPM?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e10K RPM provides ~40% lower random I\/O latency vs 7200RPM—better for OLTP databases and mixed read\/write workloads.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eIs this hot-pluggable?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. 2.5\" SFF hot-plug design for Dell PowerEdge servers with PERC H730P\/H740P controllers.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the sector format?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e512n (native 512-byte sectors)—compatible with all legacy RAID controllers.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"Dell","offers":[{"title":"Default Title","offer_id":55807048286500,"sku":"ALI-1601819862093","price":333.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/Used-Dell-2-4TB-10K-SAS.webp?v=1784864679"},{"product_id":"used-dell-2-4tb-10k-sas-12gb-s-2-5-hdd-0f9nwj-hot-plug-internal-server-hard-drive-1","title":"Used Dell 2.4TB 10K SAS 12Gb\/s 2.5\" HDD 0F9NWJ Hot-Plug Internal Server Hard Drive","description":"\u003ch2\u003eDell 2.4TB 10K SAS HDD (0F9NWJ)\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDell 2.4TB 10K SAS HDD (0F9NWJ)\u003c\/strong\u003e is a 2.4TB 10,000 RPM enterprise 2.5\" SFF Hot-Plug with SAS 12Gb\/s interface, 128MB cache, and 2M hours MTBF rating. With a 550TB\/year annual workload rating, it's designed for 24\/7 NAS, server, and datacenter storage environments.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.4TB\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSAS 12Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5\" SFF Hot-Plug\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRpm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCache\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e128MB\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e512n\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMtbf\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2M hours\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorkload\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e550TB\/year\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 8.5W active\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the Dell 2.4TB 10K SAS drive?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Dell 0F9NWJ is a 2.4TB 10K RPM 2.5\" SAS 12Gb\/s enterprise HDD—optimized for database, email, and transactional workloads requiring faster I\/O than 7200RPM drives.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhy choose 10K RPM over 7200RPM?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e10K RPM provides ~40% lower random I\/O latency vs 7200RPM—better for OLTP databases and mixed read\/write workloads.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eIs this hot-pluggable?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. 2.5\" SFF hot-plug design for Dell PowerEdge servers with PERC H730P\/H740P controllers.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the sector format?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e512n (native 512-byte sectors)—compatible with all legacy RAID controllers.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"Dell","offers":[{"title":"Default Title","offer_id":55807049826596,"sku":"ALI-1601819862093","price":333.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/Used-Dell-2-4TB-10K-SAS_e4fab027-4dc1-4d4b-8608-ce0c737deedd.webp?v=1784864917"},{"product_id":"100gbe-dual-port-network-card-used-for-mellanox-cx5-mcx516a-ccat-pcie-3-0-x16-nic","title":"100GbE Dual-Port Network Card Used for Mellanox CX5 MCX516A-CCAT PCIe 3.0 x16 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-5\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-5\u003c\/strong\u003e is a 10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 3.0 x16 host interface, RoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.8 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-5\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×100G \/ 2×50G \/ 4×25G (QSFP28); 1×25G (SFP28); 1×100GbE HDR (QSFP28)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand EDR\/HDR100 (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, GPUDirect Async, Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.8 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 30W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-5 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-5 is a dual-mode 100GbE\/InfiniBand VPI adapter with RoCE v2 and IB RDMA, NVMe-oF, and GPUDirect RDMA—the most versatile adapter for mixed Ethernet+IB datacenter deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-5 support both Ethernet and InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-5 VPI adapters can operate in Ethernet or InfiniBand mode (EDR 100G or HDR100 100G) per-port, enabling flexible deployment in mixed environments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is GPUDirect RDMA on ConnectX-5?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eGPUDirect RDMA allows NVIDIA GPUs to read\/write network data directly without CPU involvement, reducing latency to \u0026lt;0.8 μs and enabling peer-to-peer GPU communication for AI training.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-5 compare to ConnectX-6?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-6 adds 200GbE HDR InfiniBand, PCIe 4.0 x16, and advanced crypto\/security offloads. ConnectX-5 is ideal for 100GbE deployments; ConnectX-6 for 200G\/HDR interconnects.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807050088740,"sku":"ALI-1601787312172","price":486.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-Dual-Port-Network-Card-Used_cde2d378-25db-4d47-bf18-3c6fd62b1bf6.webp?v=1784864962"},{"product_id":"100gbe-infiniband-hdr100-single-port-network-card-used-for-mellanox-cx6-mcx653105a-ecat-pcie-4-0-nic","title":"100GbE InfiniBand HDR100 Single-Port Network Card Used for Mellanox CX6 MCX653105A-ECAT PCIe 4.0 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-6\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-6\u003c\/strong\u003e is a 100\/200GbE + HDR InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 4.0 x16 host interface, RoCE v2, RDMA over IB HDR (200 Gbps) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.6 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-6\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100\/200GbE + HDR InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×200G QSFP56 \/ 2×100G QSFP28; HDR 200Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 4.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v2, RDMA over IB HDR (200 Gbps)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand HDR (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, Hardware Crypto (IPsec\/MACsec\/TLS), Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.6 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 40W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-6 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-6 is a 200GbE\/HDR InfiniBand VPI adapter with PCIe 4.0, hardware crypto offloads (IPsec\/MACsec\/TLS), and GPUDirect RDMA—designed for next-gen AI supercomputers and 200G storage fabrics.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-6 support hardware encryption?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-6 includes inline IPsec, MACsec, and TLS hardware crypto engines that offload encryption from the CPU at full line rate.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat PCIe does ConnectX-6 require?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003ePCIe 4.0 x16 for 200G line-rate. It also works in PCIe 3.0 x16 slots at reduced throughput (100G line-rate).\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-6 compare to ConnectX-7?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-7 adds 400GbE, PCIe 5.0, and data-path acceleration for DPU offload. ConnectX-6 remains the best value for 200GbE\/HDR deployments.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807051399460,"sku":"ALI-1601789203506","price":809.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-InfiniBand-HDR100-Single-Port-Network_694a19d9-3d99-40ab-b28f-64161fc244a1.webp?v=1784864976"},{"product_id":"25gbe-dual-port-network-card-used-for-mellanox-cx5-mcx512a-acat-sfp28-pcie-3-0-x8-nic","title":"25GbE Dual-Port Network Card Used for Mellanox CX5 MCX512A-ACAT SFP28 PCIe 3.0 X8 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-5\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-5\u003c\/strong\u003e is a 10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 3.0 x16 host interface, RoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.8 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-5\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×100G \/ 2×50G \/ 4×25G (QSFP28); 1×25G (SFP28); 1×100GbE HDR (QSFP28)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand EDR\/HDR100 (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, GPUDirect Async, Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.8 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 30W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-5 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-5 is a dual-mode 100GbE\/InfiniBand VPI adapter with RoCE v2 and IB RDMA, NVMe-oF, and GPUDirect RDMA—the most versatile adapter for mixed Ethernet+IB datacenter deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-5 support both Ethernet and InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-5 VPI adapters can operate in Ethernet or InfiniBand mode (EDR 100G or HDR100 100G) per-port, enabling flexible deployment in mixed environments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is GPUDirect RDMA on ConnectX-5?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eGPUDirect RDMA allows NVIDIA GPUs to read\/write network data directly without CPU involvement, reducing latency to \u0026lt;0.8 μs and enabling peer-to-peer GPU communication for AI training.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-5 compare to ConnectX-6?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-6 adds 200GbE HDR InfiniBand, PCIe 4.0 x16, and advanced crypto\/security offloads. ConnectX-5 is ideal for 100GbE deployments; ConnectX-6 for 200G\/HDR interconnects.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807051563300,"sku":"ALI-1601786251219","price":250.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/25GbE-Dual-Port-Network-Card-Used_c641f77f-afc4-4f30-891d-4c22d3608b10.webp?v=1784864996"},{"product_id":"100gbe-infiniband-hdr100-dual-port-network-card-used-for-mellanox-cx6-mcx653106a-ecat-qsfp56-pcie-4-0-nic","title":"100GbE InfiniBand HDR100 Dual-Port Network Card Used for Mellanox CX6 MCX653106A-ECAT QSFP56 PCIe 4.0 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-6\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-6\u003c\/strong\u003e is a 100\/200GbE + HDR InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 4.0 x16 host interface, RoCE v2, RDMA over IB HDR (200 Gbps) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.6 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-6\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100\/200GbE + HDR InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×200G QSFP56 \/ 2×100G QSFP28; HDR 200Gb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 4.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v2, RDMA over IB HDR (200 Gbps)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand HDR (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, Hardware Crypto (IPsec\/MACsec\/TLS), Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.6 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 40W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-6 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-6 is a 200GbE\/HDR InfiniBand VPI adapter with PCIe 4.0, hardware crypto offloads (IPsec\/MACsec\/TLS), and GPUDirect RDMA—designed for next-gen AI supercomputers and 200G storage fabrics.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-6 support hardware encryption?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-6 includes inline IPsec, MACsec, and TLS hardware crypto engines that offload encryption from the CPU at full line rate.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat PCIe does ConnectX-6 require?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003ePCIe 4.0 x16 for 200G line-rate. It also works in PCIe 3.0 x16 slots at reduced throughput (100G line-rate).\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-6 compare to ConnectX-7?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-7 adds 400GbE, PCIe 5.0, and data-path acceleration for DPU offload. ConnectX-6 remains the best value for 200GbE\/HDR deployments.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807051661604,"sku":"ALI-1601786769527","price":809.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-InfiniBand-HDR100-Dual-Port-Network.webp?v=1784865015"},{"product_id":"25gbe-dual-port-network-card-used-for-mellanox-cx5-mcx512a-acat-sfp28-pcie-3-0-x8-nic-1","title":"25GbE Dual-Port Network Card Used for Mellanox CX5 MCX512A-ACAT SFP28 PCIe 3.0 x8 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-5\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-5\u003c\/strong\u003e is a 10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 3.0 x16 host interface, RoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.8 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-5\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×100G \/ 2×50G \/ 4×25G (QSFP28); 1×25G (SFP28); 1×100GbE HDR (QSFP28)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand EDR\/HDR100 (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, GPUDirect Async, Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.8 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 30W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-5 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-5 is a dual-mode 100GbE\/InfiniBand VPI adapter with RoCE v2 and IB RDMA, NVMe-oF, and GPUDirect RDMA—the most versatile adapter for mixed Ethernet+IB datacenter deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-5 support both Ethernet and InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-5 VPI adapters can operate in Ethernet or InfiniBand mode (EDR 100G or HDR100 100G) per-port, enabling flexible deployment in mixed environments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is GPUDirect RDMA on ConnectX-5?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eGPUDirect RDMA allows NVIDIA GPUs to read\/write network data directly without CPU involvement, reducing latency to \u0026lt;0.8 μs and enabling peer-to-peer GPU communication for AI training.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-5 compare to ConnectX-6?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-6 adds 200GbE HDR InfiniBand, PCIe 4.0 x16, and advanced crypto\/security offloads. ConnectX-5 is ideal for 100GbE deployments; ConnectX-6 for 200G\/HDR interconnects.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807051694372,"sku":"MCX512A-ACAT","price":250.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/25GbE-Dual-Port-Network-Card-Used_988aa94b-9467-4e76-8847-fb11f0f58605.webp?v=1784865021"},{"product_id":"25gbe-dual-port-network-card-used-for-mellanox-cx4-mcx4121a-acat-sfp28-pcie-3-0-x8-nic","title":"25GbE Dual-Port Network Card Used for Mellanox CX4 MCX4121A-ACAT SFP28 PCIe 3.0 x8 NIC","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-4\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-4\u003c\/strong\u003e is a 10\/25\/40\/50\/100GbE network adapter by NVIDIA Mellanox, featuring PCIe 3.0 x16 host interface, RoCE v1 \u0026amp; v2, RDMA over IB (up to 100 Gbps) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 1.3 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\\ \\ \\ \\\\n\\\\n\\\\n\\\\n\\\\n\\\\n\\\\n\\\\n\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"background: #f8f9fa; padding: 8px; border: 1px solid #dee2e6; width: 35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background: #f8f9fa; padding: 8px; border: 1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/25\/40\/50\/100GbE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×100G QSFP28 \/ 2×50G \/ 4×25G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v1 \u0026amp; v2, RDMA over IB (up to 100 Gbps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand FDR10\/EDR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1.3 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 25W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\\\u003c\/p\u003e\n\u003cdetails style=\"margin: 8px 0; padding: 8px; border: 1px solid #e0e0e0; border-radius: 4px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600; color: #1a1a1a;\"\u003eWhat is the ConnectX-4 network adapter?\u003c\/summary\u003e\n\u003cp style=\"margin: 8px 0 0; color: #444;\"\u003eThe Mellanox ConnectX-4 is a 100GbE\/EDR InfiniBand network adapter supporting RoCE v1\/v2 RDMA, NVMe-oF, and GPUDirect—designed for HPC, cloud, and storage workloads.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cp\u003e\\\\n\u003c\/p\u003e\n\u003cdetails style=\"margin: 8px 0; padding: 8px; border: 1px solid #e0e0e0; border-radius: 4px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600; color: #1a1a1a;\"\u003eDoes ConnectX-4 support NVMe-oF?\u003c\/summary\u003e\n\u003cp style=\"margin: 8px 0 0; color: #444;\"\u003eYes. ConnectX-4 supports NVMe-oF target and initiator modes for remote NVMe storage access over Ethernet or InfiniBand.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cp\u003e\\\\n\u003c\/p\u003e\n\u003cdetails style=\"margin: 8px 0; padding: 8px; border: 1px solid #e0e0e0; border-radius: 4px;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600; color: #1a1a1a;\"\u003eWhat PCIe generation does ConnectX-4 use?\u003c\/summary\u003e\n\u003cp style=\"margin: 8px 0 0; color: #444;\"\u003ePCIe 3.0 x16, providing up to 128 Gbps host bandwidth for 100GbE line-rate operation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cp\u003e\\\\n\u003c\/p\u003e\n\u003cdetails style=\"margin: 8px 0; padding: 8px; border: 1px solid #e0e0e0; border-radius: 4px;\" open=\"\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: 600; color: #1a1a1a;\"\u003eHow does ConnectX-4 compare to ConnectX-5?\u003c\/summary\u003e\n\u003cp style=\"margin: 8px 0 0; color: #444;\"\u003eConnectX-5 adds higher throughput (200GbE HDR), ConnectX-6 VPI mode, advanced NVMe-oF offloads, and PCIe 4.0 support. ConnectX-4 remains excellent for 100GbE deployments at lower cost.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807051727140,"sku":"MCX4121A-ACAT","price":72.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/25GbE-Dual-Port-Network-Card-Used_b1183e27-c1d4-4c33-b547-f27a8665732e.webp?v=1784865029"},{"product_id":"100gbe-dual-port-network-card-used-for-mellanox-cx5-mcx516a-ccat-pcie-3-0-x16-nic-1","title":"Server Network Interface Card ConnectX-5 MCX516A-CCAT 100GbE Dual Port QSFP28 PCIe 3.0 x16 Used","description":"\u003ch2\u003eNVIDIA Mellanox ConnectX-5\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Mellanox ConnectX-5\u003c\/strong\u003e is a 10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand network adapter by NVIDIA Mellanox, featuring PCIe 3.0 x16 host interface, RoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G) RDMA support, and NVMe-oF target\/initiator hardware offloads. With \u0026lt; 0.8 μs RDMA RDMA latency, it enables zero-CPU-copy data movement for HPC, AI\/ML, and storage workloads.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Refurbished \/ Pre-owned — fully tested, cleaned, and verified. Ships with warranty coverage.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:12px 0;font-size:14px;\"\u003e\\\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;width:35%;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\\\n\u003ctbody\u003e\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConnectX-5\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/25\/40\/50\/100GbE + EDR\/HDR100 InfiniBand\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLane Config\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1×100G \/ 2×50G \/ 4×25G (QSFP28); 1×25G (SFP28); 1×100GbE HDR (QSFP28)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePcie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCIe 3.0 x16\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRdma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRoCE v1 \u0026amp; v2, RDMA over IB (EDR 100G \/ HDR100 100G)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet, InfiniBand EDR\/HDR100 (VPI dual-mode)\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOffloads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVMe-oF target\/initiator, VXLAN, SR-IOV, GPUDirect RDMA, GPUDirect Async, Advanced Switching\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLatency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.8 μs RDMA\u003c\/td\u003e\n\u003c\/tr\u003e\\\\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 30W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is the ConnectX-5 adapter?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eThe Mellanox ConnectX-5 is a dual-mode 100GbE\/InfiniBand VPI adapter with RoCE v2 and IB RDMA, NVMe-oF, and GPUDirect RDMA—the most versatile adapter for mixed Ethernet+IB datacenter deployments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eDoes ConnectX-5 support both Ethernet and InfiniBand?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. ConnectX-5 VPI adapters can operate in Ethernet or InfiniBand mode (EDR 100G or HDR100 100G) per-port, enabling flexible deployment in mixed environments.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eWhat is GPUDirect RDMA on ConnectX-5?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eGPUDirect RDMA allows NVIDIA GPUs to read\/write network data directly without CPU involvement, reducing latency to \u0026lt;0.8 μs and enabling peer-to-peer GPU communication for AI training.\u003c\/p\u003e\u003c\/details\u003e\\\\n\u003cdetails style=\"margin:8px 0;padding:8px;border:1px solid #e0e0e0;border-radius:4px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;\"\u003eHow does ConnectX-5 compare to ConnectX-6?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eConnectX-6 adds 200GbE HDR InfiniBand, PCIe 4.0 x16, and advanced crypto\/security offloads. ConnectX-5 is ideal for 100GbE deployments; ConnectX-6 for 200G\/HDR interconnects.\u003c\/p\u003e\u003c\/details\u003e\n\u003cp\u003e\u003cem\u003eAvailable at \u003ca href=\"https:\/\/zhongxindata.hk\"\u003eZhongxin Data\u003c\/a\u003e — enterprise network hardware specialists. Worldwide shipping from Hong Kong.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":55807051825444,"sku":"MCX516A-CCAT","price":588.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/100GbE-Dual-Port-Network-Card-Used_165be68d-fe6f-44b4-91e3-e576128ddfc4.webp?v=1784865042"},{"product_id":"used-hpe-proliant-dl380-gen10-8sff-2u-server-barebone-chassis-with-p408i-a-raid-controller","title":"Used HPE ProLiant DL380 Gen10 8SFF 2U Server Barebone Chassis with P408i-a RAID Controller","description":"\u003ch2\u003eUsed HPE ProLiant DL380 Gen10 8SFF 2U Server - Barebone Chassis\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eHPE ProLiant DL380 Gen10\u003c\/strong\u003e is the industry-standard 2U rack server platform. This unit is a \u003cstrong\u003ebarebone chassis\u003c\/strong\u003e: it includes the \u003cstrong\u003eP408i-a SR Gen10 RAID controller\u003c\/strong\u003e and 8 x SFF (2.5\") drive bays, but \u003cstrong\u003edoes NOT include CPU or memory\u003c\/strong\u003e - configure it with your own processors and RAM.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForm Factor: 2U rack\u003c\/li\u003e\n\u003cli\u003eDrive Bays: 8 x SFF (2.5\")\u003c\/li\u003e\n\u003cli\u003eRAID Controller: HPE Smart Array P408i-a SR Gen10 (included)\u003c\/li\u003e\n\u003cli\u003eCPU: Not included (barebone)\u003c\/li\u003e\n\u003cli\u003eMemory: Not included (barebone)\u003c\/li\u003e\n\u003cli\u003eBrand: HPE ProLiant\u003c\/li\u003e\n\u003cli\u003eModel: DL380 Gen10\u003c\/li\u003e\n\u003cli\u003ePlace of Origin: Singapore\u003c\/li\u003e\n\u003cli\u003eCondition: Used \/ Refurbished - fully tested and verified\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs CPU\/RAM included?\u003c\/strong\u003e No - this is a barebone chassis. CPU and memory are not included; install your own to match your workload.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat drive bays does it have?\u003c\/strong\u003e 8 x 2.5\" SFF hot-plug bays.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the condition and warranty?\u003c\/strong\u003e Used, fully tested and verified working before shipment, covered by our 90-day warranty.\u003c\/p\u003e\u003cp\u003eThis is a B2B quote-based store: prices vary with market conditions. \u003ca href=\"\/pages\/contact\"\u003eContact us for a quote\u003c\/a\u003e with your quantity and target price - retail and wholesale welcome. Worldwide shipping from Hong Kong.\u003c\/p\u003e","brand":"HPE","offers":[{"title":"Default Title","offer_id":55989201142052,"sku":"HPE-DL380-G10-8SFF-BARE","price":419.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/Hc45560696f4d46efaeb47a47a59adba16.png?v=1786436532"}],"url":"https:\/\/zhongxindata.hk\/collections\/%e5%ae%9e%e9%aa%8c%e5%ae%a4%e8%ae%a4%e8%af%81%e6%b5%8b%e8%af%95%e4%bb%b6-certified-original-tested.oembed","provider":"Zhongxin Data","version":"1.0","type":"link"}