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NVIDIA Spectrum-2 based 25GbE/100GbE 1U Open Ethernet switch w/ Cumulus Linux, 48 SFP28 ports and 12 QSFP28 ports, 2 power supplies (AC), x86 CPU, standard depth, C2P airflow, Rail Kit | MSN3420-CB2RC

  • NVIDIA Part#: 920-9N213-00R7-0C0 / Legacy OPN: MSN3420-CB2RC
  • Data Rate: 25GbE/100GbE
  • Ports: 48 SFP28 + 12 QSFP28
  • Network Interface: SFP28/QSFP28
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Learn more about the Mellanox Technologies SN3420

Model
Brand NVIDIA
Series Spectrum SN3000 Series
Model SN3420
Part Number MSN3420-CB2RC
Format & Standards
Format Rackmount
Network Management Type Managed
Ports & Interface
Primary Ports 48 x QSFP28 + 12 x SFP28
Primary Port Speed 100 Gbps
Power Supply
Power Frequency: 50-60Hz
Input range: 100-264Vac
AC input current: 2.9-4.5A
Dimensions & Weight
Dimensions 1.72" (H) x17.24" (W) x 18.29" (D)
44mm (H) x 438mm (W) x 464.6mm (D)
Weight 8.5kg (18.73lb)
Features
Features SN3420 Series Switches
As data-center switching architectures increasingly adopt 100GbE, the SN3420 offers a high-performance, cost-effective way to evolve host connectivity from 10G to 25G. Equipped with 48 ports of 10/25GbE and 12 ports of up to 100GbE in a compact 1U form factor. The SN3420 is an ideal Top-of-Rack (ToR) network switch, delivering a total throughput of up to 4.8Tb/s with a processing capacity of 3.58Bpps. The SN3420 enables the seamless use of QSFP28 connections for leaf-spine topology and future-proofing the data center.

Visibility
NVIDIA What Just Happened (WJH) telemetry dramatically reduces mean time to issue resolution by providing answers to: When, What, Who, Where and Why
Hardware-accelerated histograms track and summarize queue depths at submicrosecond granularity
Inband Network Telemetry (INT)-ready hardware
Streaming Telemetry
512K on-chip flow counters

Performance
Fully shared packet buffer provides a fair, predictable and high bandwidth data path
Consistent and low cut-through latency
Robust RoCE transport to power NVMe over fabric and Machine Learning applications that leverage NVIDIA GPUDirect
Best-in-class VXLAN scale 10X more tunnels and tunnel endpoints than others
512K shared forwarding entries flexibly shared across ACL, LPM routes, host routes, MAC, ECMP and tunnel applications

Agility
Comprehensive Layer-2, Layer-3 and RoCE
Advanced network virtualization with high performance single pass VXLAN routing and IPv6 segment routing
Cloud Scale NAT 100K+ sessions
Programmable pipeline that can programmatically parse, process and edit packets
Deep Packet Inspection 512B deep
Additional Information
First Listed on Newegg January 09, 2026

Warranty & Returns

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Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
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