NVIDIA Spectrum SN2900 - 400GbE (SN2900-1S)
Brand: NVIDIA | Category: Network Switches
SKU: SN2900-1S | Part #: SN2900-1S | MPN: SN2900-1S
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About the NVIDIA Spectrum SN2900 - 400GbE (SN2900-1S)
The NVIDIA Spectrum SN2900 - 400GbE (SN2900-1S) from NVIDIA is enterprise-grade Network Switches hardware built for data centers. It features 400GbE interface, 400GbE speed. The NVIDIA Spectrum SN2900 (part number SN2900-1S) is a high-density, fixed-configuration Ethernet switch built on the NVIDIA Spectrum-4 ASIC architecture. It delivers 400GbE connectivity across its port configuration, leveraging the Spectrum programmable forwarding engine to support advanced telemetry, deep buffer management, and low-latency switching suited to demanding data center fabrics. The platform supports NVIDIA's Onyx and Cumulus Linux NOS options, enabling flexible Available in brand new condition. NVIDIA network switches products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.
Technical Specifications
| Brand | NVIDIA |
| Category | Network Switches |
| SKU | SN2900-1S |
| Part Number | SN2900-1S |
| Condition | New |
| Interface | 400GbE |
| Speed | 400GbE |
| Manufacturer Part Number | SN2900-1S |
| Series | Spectrum SN2900 |
| Switch ASIC | NVIDIA Spectrum-4 |
| Form Factor | 1U Rack-Mount |
| Port Configuration | 64 x QSFP112 400GbE ports |
| Aggregate Switching Capacity | 51.2 Tbps |
| Forwarding Rate | Up to 38.4 Bpps |
| Supported Port Speeds | 100GbE, 200GbE, 400GbE (with breakout: 10GbE, 25GbE, 50GbE) |
| Supported Network OS | NVIDIA Onyx, Cumulus Linux |
| Routing Protocols | BGP, OSPF, ECMP, VXLAN, EVPN |
| RoCE Support | Yes — RoCEv1 and RoCEv2 with hardware-based congestion control |
| Congestion Management | PFC, ETS, ECN, DCQCN |
| Management Interfaces | 1 x RJ-45 out-of-band management, 1 x USB |
| Power Supply | Redundant modular PSUs, AC and DC options |
| Airflow Options | Port-side exhaust (PSE) and port-side intake (PSI) |
| Operating Temperature | 0°C to 45°C |
| Dimensions | 1U (44.5 mm H x 440 mm W x 600 mm D approximate) |
| Telemetry | In-band Network Telemetry (INT), sFlow, SNMP, gNMI, gRPC |
| Management Ecosystem | NVIDIA UFM, NVIDIA Air, OpenConfig |
Frequently Asked Questions about NVIDIA Spectrum SN2900 - 400GbE (SN2900-1S)
What does the NVIDIA Spectrum SN2900 - 400GbE (SN2900-1S) do?
The NVIDIA Spectrum SN2900 - 400GbE (SN2900-1S) is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.
What are the headline specs of the NVIDIA Spectrum SN2900 - 400GbE (SN2900-1S)?
Key specifications for the NVIDIA Spectrum SN2900 - 400GbE (SN2900-1S): new condition; network type Ethernet Switch; network port config 32x 400GbE QSFP-DD; network speed 400GbE; network switching capacity 12.8 Tbps; network forwarding rate 9.52 Bpps; network power consumption 380W. Manufacturer part number SN2900-1S. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.
Is the NVIDIA Spectrum SN2900 - 400GbE (SN2900-1S) compatible with my infrastructure?
The NVIDIA Spectrum SN2900 - 400GbE (SN2900-1S) interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.