Hardware Datasheet · Networking
NVIDIA Networking
NVIDIA Spectrum-4 SN5600 128×400GbE GPU Top-of-Rack Switch
One 2U platform splits to 128 ports of 400GbE per rack.
Overview
Configured as a high-radix top-of-rack switch, the Spectrum-4 SN5600 breaks its 64 OSFP cages out to 128 ports of 400GbE for dense GPU server connectivity. It is specified, split-configured, tested, and warranty-backed, sourced through NVIDIA-authorized channels for predictable rack-level deployment.
Specifications
| Switch ASIC | NVIDIA Spectrum-4 |
| Port Configuration | 128× 400GbE (64 OSFP split) |
| Switching Capacity | 51.2 Tb/s |
| Packet Rate | 33.3 billion packets/sec |
| Fabric Features | RoCEv2, adaptive routing, cut-through |
| Form Factor | 2U, OSFP with breakout |
| Network OS | Cumulus Linux / SONiC (open) |
| Management | 1× 25GbE SFP28, dedicated mgmt + console |
| Warranty | Manufacturer-backed, authorized channel |
Typical Use Cases
- ·Top-of-rack for 400GbE GPU servers
- ·Dense leaf layer in AI clusters
- ·Rack-scale RoCEv2 connectivity
- ·Mixed 400/800GbE fabric edges
Industries
Warranty & Support
Supplied through authorized channels with full manufacturer warranty. On-site, next-business-day support options available. Every system is configured, tested, and documented before delivery, with asset and warranty records provided for enterprise audit requirements.
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Configurations are tailored per engagement — contact us for pricing and lead times.
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Specifications are indicative and configured to each engagement. All product names, logos, and trademarks are the property of their respective owners. Nexus Compute is an independent enterprise hardware supplier.