{"product_id":"mellanox-sn5600-800gbe-64-port-osfp-spectrum-4-switch-2u-used","title":"Mellanox SN5600 800GbE 64-Port OSFP Spectrum-4 Switch 2U Used","description":"\u003cp style=\"margin:14px 0 18px;padding:12px 16px;background:#f4f7fb;color:#1a1a1a;border-radius:6px;font-size:15px;line-height:1.6;\"\u003e\u003cstrong\u003eQuick answer:\u003c\/strong\u003e NVIDIA Spectrum-4 SN5600 SN5600 used, bench-tested. NVIDIA Spectrum-4 SN5600 with 64 OSFP ports at 800GbE plus one 25GbE SFP28 port, 51.2 Tb\/s and 33.3 Bpps in 2U — the spine for 400G and 800G AI fabrics.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 10px;padding:12px 16px;background:#eef8ef;border-left:4px solid #2e7d32;color:#1a1a1a;border-radius:4px;font-size:15px;line-height:1.6;\"\u003e\u003cstrong\u003eIn stock:\u003c\/strong\u003e SN5600 is in stock — availability is confirmed per part number, so send the exact model you need and we check the shelf before quoting.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 18px;padding:12px 16px;background:#f7f9fc;border:1px solid #dde5ef;border-radius:6px;font-size:15px;line-height:1.6;\"\u003e\u003cstrong\u003eNeed a quote?\u003c\/strong\u003e Message WhatsApp \u003ca href=\"https:\/\/wa.me\/8613068616914\"\u003e+86 13068616914\u003c\/a\u003e with the part number (for example SN5600) and the quantity — we reply with price, condition notes and photos of the actual unit. No price is listed here because every order is quoted per part number.\u003c\/p\u003e\n\u003ch2\u003eNVIDIA Spectrum-4 SN5600\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVIDIA Spectrum-4 SN5600\u003c\/strong\u003e is the 800G spine: 64 OSFP ports at 800GbE plus one 25GbE SFP28 port, 51.2 Tb\/s of switching capacity, 33.3 Bpps and a 160 MB fully shared buffer in 2U. Ports split down to 400, 200 and 100GbE, so the same chassis serves as a 400G spine today and an 800G spine when the NICs catch up. It is the platform Spectrum-X fabrics are built on.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eCondition: Used — cleaned, re-flashed and bench-tested on our own test line before it is listed. 90-day warranty from delivery.\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:32%;\"\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\u003ePart number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSN5600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFamily\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVIDIA Spectrum-4 SN5600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitch silicon\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNVIDIA Spectrum-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePorts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64 × 800GbE OSFP, plus 1 × SFP28 25GbE management\/data port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePort speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e800GbE per port (400\/200\/100GbE with breakouts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOSFP (64 ports) + 1 × SFP28 25GbE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e51.2 Tb\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePacket rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e33.3 Bpps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePacket buffer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e160 MB fully shared on-chip packet buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAirflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eC2P — connector-to-power (reverse) per the NVIDIA datasheet; confirm the exact build before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2U rackmount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e86.2 × 438 × 788 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × hot-swap PSU (1+1), N+1 hot-swap fans\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManagement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ex86 control plane, RJ45 management and console\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSoftware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCumulus Linux or SONiC\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\u003e64 × 800GbE OSFP ports + 1 × 25GbE SFP28\u003c\/li\u003e\n\u003cli\u003e51.2 Tb\/s switching capacity, 33.3 Bpps\u003c\/li\u003e\n\u003cli\u003e160 MB fully shared packet buffer\u003c\/li\u003e\n\u003cli\u003eBreakout to 128 × 400GbE or up to 256 × 100\/200GbE\u003c\/li\u003e\n\u003cli\u003eRoCEv2 with adaptive routing for AI workloads\u003c\/li\u003e\n\u003cli\u003eVXLAN scale of 512K shared forwarding entries, EVPN multi-homing\u003c\/li\u003e\n\u003cli\u003eDual hot-swap PSU, N+1 hot-swap fans\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical deployments\u003c\/h3\u003e\u003cp\u003eSpectrum-X AI fabrics, 400G\/800G spine layers, end-of-row aggregation, storage fabrics and HPC interconnect where east-west bandwidth is the bottleneck.\u003c\/p\u003e\n\u003ch3\u003eWhat is included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSwitch chassis with both power supplies\u003c\/li\u003e\n\u003cli\u003eFan units (C2P)\u003c\/li\u003e\n\u003cli\u003eRack mounting hardware\u003c\/li\u003e\n\u003cli\u003eCondition report and bench-test notes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNot included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOSFP and SFP28 optics, cables and breakout assemblies\u003c\/li\u003e\n\u003cli\u003eNetwork OS install media beyond what the unit ships with\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSN5600 in the lineup\u003c\/h3\u003e\u003cp\u003eThis is the only platform in our switch line that goes past 200G per port. Compared with the SN4600, one SN5600 replaces several 200G spines and cuts the number of optical links per rack; the trade-off is 2U of depth and 800G optics on the uplinks.\u003c\/p\u003e\n\u003ch3\u003eHow it compares with models we also stock\u003c\/h3\u003e\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;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eFabric\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003ePorts\u003c\/th\u003e\n\u003cth style=\"background:#f8f9fa;padding:8px;border:1px solid #dee2e6;\"\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background:#fbfdff;font-weight:600;\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003eSN5600\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003eEthernet 800G\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003e64 OSFP\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003e800G\/400G AI spine, Spectrum-X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003eMSN4600-VS2RC\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003eEthernet 200G\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003e64 QSFP56\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003e200G spine, 100G breakouts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003eMSN3800-CS2RO\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003eEthernet 100G\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003e64 QSFP28\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003eDense 100G spine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003eMQM9700-NS2F\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003eInfiniBand 400G\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003e64 (32 OSFP)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #dee2e6;\"\u003eNative InfiniBand alternative\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhy buy this switch from Zhongxin Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBench-tested on our own in-house test line — ports, fans and power supplies are checked before the unit leaves.\u003c\/li\u003e\n\u003cli\u003eWe quote only what we can physically confirm: the exact part number, airflow direction and condition notes come from the unit in front of us.\u003c\/li\u003e\n\u003cli\u003eUsed enterprise switches at secondary-market pricing, with a 90-day warranty from delivery.\u003c\/li\u003e\n\u003cli\u003eWorldwide shipping from Hong Kong, China; consolidation with servers, NICs and optics from the same rack is routine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRequest a quote\u003c\/h3\u003e\u003cp\u003eSend the part number \u003cstrong\u003eSN5600\u003c\/strong\u003e, the quantity you need and your destination to WhatsApp \u003ca href=\"https:\/\/wa.me\/8613068616914\"\u003e+86 13068616914\u003c\/a\u003e (or reply to any thread on zhongxindata.hk). We confirm availability against the exact model before quoting, and we can quote alternative airflow builds or port-count variants from the same family if they fit your rack better.\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;\"\u003eHow many 800G ports does the SN5600 have?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e64 OSFP ports at 800GbE, plus one SFP28 port at 25GbE for management or a low-speed link.\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 ports run slower speeds?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes. 800G ports split to 400, 200 and 100GbE with the right breakout cabling — up to 128 × 400GbE or 256 × 100\/200GbE.\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 it 2U?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eYes, 2U and 788 mm deep, so check rack depth and rear clearance before you plan the install.\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 difference between SN5600 and SN5400?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eSN5400 uses QSFP-DD at 400GbE per port with 25.6 Tb\/s; SN5600 uses OSFP at 800GbE per port with 51.2 Tb\/s. Both are Spectrum-4 and 2U.\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;\"\u003eWhich network OS does it run?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eCumulus Linux or SONiC. We tell you exactly which image and version the unit carries before you buy.\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 it suitable for InfiniBand workloads?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eIt carries RoCEv2 lossless Ethernet, which most AI training fabrics use. If you need native IB verbs, the Quantum-2 QM9700\/QM9790 is the correct platform.\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 about airflow direction?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003eSpectrum-4 chassis are built for a specific airflow direction. Tell us which one your rack needs and we confirm the exact build before quoting.\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 is included?\u003c\/summary\u003e\u003cp style=\"margin:8px 0 0;color:#444;\"\u003e90-day warranty from delivery, after bench testing on our own line.\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, China.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:13px;color:#666;\"\u003e\u003cem\u003eProduct image is a reference image for the form factor — revision, label and airflow sticker vary by batch. Ask us for photos of the actual unit before you commit.\u003c\/em\u003e\u003c\/p\u003e","brand":"NVIDIA Mellanox","offers":[{"title":"Default Title","offer_id":68061218046244,"sku":"SN5600","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/6223\/6708\/files\/21cb8481d2776ccf4b2ac5e4a19bde67.png?v=1793948411","url":"https:\/\/zhongxindata.hk\/products\/mellanox-sn5600-800gbe-64-port-osfp-spectrum-4-switch-2u-used","provider":"Zhongxin Data","version":"1.0","type":"link"}