NVIDIA Mellanox Spectrum-4 SN5600 64-Port 800GbE OSFP Ethernet Switch 920-9N42F-00RI-7C0

NVIDIA Spectrum-4 SN5600 — 64-Port 800GbE Open Ethernet Switch

Save significantly over new pricing on this refurbished NVIDIA Spectrum-4 SN5600 data center switch, fully tested and backed by Reef Telecom's industry-leading 10-year warranty. The SN5600 delivers 51.2 Tb/s aggregate bandwidth across 64 OSFP 800GbE ports in a compact 2U form factor — purpose-built for AI/ML training clusters, Spectrum-X deployments, and hyperscale cloud networks.

Key Specifications

• Ports: 64x OSFP 800GbE + 1x SFP28 25GbE management port
• Throughput: 51.2 Tb/s aggregate switching capacity, 33.3 Bpps
• Latency: Consistent sub-microsecond cut-through latency
• ASIC: NVIDIA Spectrum-4 with fully shared packet buffer
• Breakout Support: 2x400G, 4x200G, or 8x100G per port
• RoCE: Accelerated RDMA over Converged Ethernet for GPU-to-GPU communication
• Network OS: Cumulus Linux / SONiC compatible
• Virtualization: Best-in-class VXLAN scale with 512K forwarding entries
• Telemetry: What Just Happened (WJH) real-time diagnostics
• Power: Dual redundant AC power supplies (208–264V), hot-swappable fans
• Form Factor: 2U rack-mountable with tool-less rail kit

Ideal Deployments

Deploy the SN5600 as a leaf, spine, or super-spine switch in AI training clusters, NVIDIA DGX SuperPOD environments, Spectrum-X Ethernet fabrics, and high-performance computing (HPC) infrastructures. Compatible with NVIDIA BlueField-3 SuperNICs, ConnectX SmartNICs, and LinkX interconnects for end-to-end accelerated networking.

Part Number: 920-9N42F-00RI-7C0 (verify exact SKU at checkout) | Condition: Refurbished | Warranty: 10 Years by Reef Telecom

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All products include our industry-leading 10 Year Warranty backed by Reef Telecom.