Specifications
NVIDIA SKU
920-9N42F-00RI-3C1
Product Family
NVIDIA Spectrum-4 SN5000 Ethernet switches
Switching Capacity
51.2 Tb/s
Packet Rate
33.3 Bpps
Ports
64x OSFP 800GbE + 2x SFP28 25GbE
Max 800GbE Ports
64
Max 400GbE Ports
128
Max 200GbE Ports
256
Max 100GbE Ports
256
Max 50GbE Ports
256
Max 25/10/1GbE Ports
256 + 2
Height
2U, standard depth
CPU
AMD processor (SN5610 revision)
Power Supplies
4x AC
Airflow
C2P (connector-to-power)
Mounting
Tool-less rail kit
Security
Secure boot, Cumulus Linux authentication
Management OS
NVIDIA Cumulus Linux / SONiC
Life Cycle
Production
Spectrum SN5000 switch family
| Model | Ports | Capacity | CPU |
|---|---|---|---|
| SN5610 | 64x OSFP 800GbE + 2x SFP28 | 51.2 Tb/s | AMD processor |
| SN5600 | 64x OSFP 800GbE + 1x SFP28 | 51.2 Tb/s | x86 CPU |
| SN4600 | 64x QSFP56 200GbE | 12.8 Tb/s | x86 CPU |
| SN4700 | 32x QSFP-DD 400GbE | 12.8 Tb/s | x86 CPU |
Use Case
SN5610 is the mainstream leaf for 400G and 800G AI and cloud racks: the same 51.2 Tb/s Spectrum-4 silicon as the SN5600, with a second SFP28 port for out-of-band management separation and a current-generation AMD front-panel CPU. It brokers RoCE traffic to ConnectX-8/BlueField-3 endpoints with NVIDIA's adaptive routing and congestion control, which is what keeps incast from collapsing GPU utilisation during all-reduce.
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