{"product_id":"network-interface-card-mellanox-mcx4121a-xcat-lx-en-10gbe-du","title":"Network Interface Card Mellanox MCX4121A-XCAT Lx EN 10GbE Dual-port SFP28 PCIe3.0 X8","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\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":55807006769444,"sku":"ALI-1601803889276","price":69.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/mcx4121a-xcat.webp?v=1784863631","url":"https:\/\/zhongxindata.hk\/products\/network-interface-card-mellanox-mcx4121a-xcat-lx-en-10gbe-du","provider":"Zhongxin Data","version":"1.0","type":"link"}