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NVIDIA Mellanox MSN4700 Spectrum-3 Based 400G 1U Open Ethernet Switch with Cumulus Linux

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MSN4700-WS2RC

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$34,637.95
Brand Name: Mellanox
Product Type: Ethernet Switch
Product Family: Mellanox Switch,Spectrum,Spectrum-3 SN4000,Spectrum-3 SN4700
Layer Supported: 4
Media Type Supported: Optical Fiber

NVIDIA Spectrum-3 32×400G QSFP-DD ONIE Ethernet Switch, Cumulus Linux Pre-Loaded, 2 power supplies (AC), x86 CPU, Standard Depth, C2P Airflow, Rail Kit

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Overview

The NVIDIA Spectrum SN4700 is a 1U open Ethernet spine/super-spine switch featuring 32×400GbE QSFP-DD ports, delivering up to 12.8Tbps switching capacity and 8.4 billion packets per second processing. Designed for maximum flexibility, it supports a wide range of port speeds from 1GbE to 400GbE per port. Ideal for high-performance spine fabrics in cloud and hyperscale data centers, the SN4700 supports multiple operating systems, including Cumulus Linux and SONiC.

Use Cases

  • Spine and super-spine switch in large-scale CLOS fabrics
  • High-density 400GbE switching for hyperscale and cloud environments
  • Multi-speed Ethernet support from 1GbE to 400GbE per port
  • Cumulus Linux, SONiC, and open NOS deployments

Ports & Optics

  • 32 × 400GbE QSFP-DD ports
  • Supports breakout to 64 × 200GbE, 128 × 100GbE, 128 × 50GbE, 128 × 25GbE, 128 × 10GbE
  • Optics with DAC support up to 3m
  • 1 × RJ45 Management, 1 × Console, 1 × USB Type-A

Platform Features

  • ONIE preloaded (SONiC NOS ready)
  • Pre-loaded with Cumulus Linux and ONIE bootloader
  • Advanced Layer 2–7 features including VXLAN, segment routing, and RDMA support
  • NVIDIA What Just Happened® (WJH) telemetry and streaming telemetry support
  • Programmable packet processing pipeline and deep packet inspection
  • 512,000 forwarding entries flexibly shared across ACLs, LPM, MAC, ECMP, and tunnels

Switch Hardware

  • Switching capacity: 12.8 Tbps
  • Wire-speed forwarding: 8.4 billion packets per second (Bpps)
  • Latency: 620 ns (cut-through mode)
  • CPU: Quad-core x86 processor
  • System memory: 16 GB DDR RAM
  • SSD memory: 64 GB
  • Packet buffer: 64 MB

Cooling & Power

  • 1U rackmount chassis
  • 2 hot-swappable redundant power supplies (1+1)
  • 6 hot-swappable fans with N+1 redundancy
  • Reversible airflow for flexible deployment
  • Power supply: 50–60Hz, 100–264Vac

Environmental

  • Operating temperature: 0°C to 40°C
  • Humidity: 10% to 85% non-condensing
  • Altitude: up to 3050 meters
  • Noise level: 73.7 dB(A)
  • Weight: 11.7 kg (25.8 lbs)
  • Dimensions (H×W×D): 1.72″ × 16.85″ × 22.3″ (44 mm × 428 mm × 568.5 mm)
  • Certifications: CE, FCC, VCCI, UL, RoHS
  • MTBF: >150,000 hours

Ordering Information

  • 920-9N301-00RB-0C0: MSN4700-WS2RC, 1U, 32×400GbE, Cumulus Linux, C2P airflow, Rail Kit
Specifications
Brand Name

Mellanox
Product Type

Ethernet Switch
Product Family

Mellanox Switch,Spectrum,Spectrum-3 SN4000,Spectrum-3 SN4700
Layer Supported

4
Media Type Supported

Optical Fiber
Expansion Slot Type

QSFP-DD
Form Factor

DIN Rail Mountable
Ethernet Technology

400 Gigabit Ethernet
Power Source

Power Supply
Questions & Answers

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Question:

What are the differences between P2C and C2P airflow?
[email protected]
17-Jul-2025

Answer:

P2C = Power-to-Connector airflow moves air from the power supply side (rear) to the connector side (front), while C2P = Connector-to-Power airflow moves air from the connector side (front) to the power supply side (rear), matching different data center cooling aisle configurations.

Question:

Does it come with Cumulus Linux installed?
[email protected]
17-Jul-2025

Answer:

Yes.

Question:

What is included in the SN4700 switch package?
[email protected]
17-Jul-2025

Answer:

Its includes a fixed rail kit for specified rack sizes, four power cables (various types for compatibility), a harness (e.g., DB9 to RJ45 for console), and cable retainers.

Question:

Are there user experiences or issues with firmware and updates?
[email protected]
17-Jul-2025

Answer:

There should not be any issues with firmware access as long as you purchase from an official NVIDIA partner. You may have some issues if you procure from secondary markets.

Question:

Can I mount the SN4700 vertically to save space?
[email protected]
17-Jul-2025

Answer:

No, due to its thermal design, the SN4700 must be installed in a horizontal rack position.

Question:

Does it still support Onyx?
[email protected]
17-Jul-2025

Answer:

Spectrum switches in general still support Onyx, but Onyx is going EOL and is currently in maintenance mode. We recommend moving to Cumulus Linux.
Warranty
All new products are covered by the manufacturer warranty. To claim warranty, you may contact the manufacturer directly or contact your account executive at Hardware Nation. We can help facilitate the warranty processes between the customer and manufacturer.
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