How many ports does the NVIDIA Spectrum SN3420 have and what types are they?

The NVIDIA Spectrum SN3420 has 48 ports of 10/25GbE and 12 ports of up to 100GbE.

What is the total throughput of the NVIDIA Spectrum SN3420 switch?

The total throughput of the NVIDIA Spectrum SN3420 switch is up to 2.4Tb/s.

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Main image of NVIDIA Spectrum SN3420, Spectrum-2 based 25GbE/100GbE 1U Open Ethernet switch w/ Cumulus Linux, 48 x SFP28 ports, 12 x QSFP28 ports, 2 power supplies (AC), x86 CPU | MSN3420-CB2FC

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NVIDIA Spectrum SN3420, Spectrum-2 based 25GbE/100GbE 1U Open Ethernet switch w/ Cumulus Linux, 48 x SFP28 ports, 12 x QSFP28 ports, 2 power supplies (AC), x86 CPU | MSN3420-CB2FC

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Compact 1U form factor.
Equipped with 48 ports of 10/25GbE and 12 ports of up to 100GbE.
Delivers total throughput of up to 2.4Tb/s with a processing capacity of 3.58Bpps.

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SPECTRUM-2 BASED ETHERNET SWITCH

Model
Brand	NVIDIA
Series	SN3000 Series
Model	SN3420
Part Number	NVIDIA SKU: 920-9N213-00F7-0C0 Legacy OPN: MSN3420-CB2FC

Ports & Interface
Primary Ports	48 x SFP28 + 12 x QSFP28

Data Transmission
Packet Forwarding Rate	Packet buffer: 42 MB

Power Supply
Power	Power supplies Frequency: 50-60 Hz Input range: 100-264 Vac AC input current: 2.9-4.5 A

Dimensions & Weight
Dimensions	1.72" (H) x 17.24" (W) x 18.29" (D) 44 mm (H) x 438 mm (W) x 464.6 mm (D)
Weight	8.5 kg (18.73 lb)

Features
Features	Max. 100GbE ports: 12 Max. 50GbE ports: 24 Max. 40GbE ports: 12 Max. 25GbE ports: 48+48 Max. 10GbE ports: 48+48 Max. 1GbE ports: 48+48 Switching capacity (Tb/s): 2.4 Tb/s Wire-speed switching (Bpps): 3.58 Bpps Lanes per port x max speed per lane: 4x 25G NRZ CPU Dual-core: x86 System memory: 8 GB SSD memory: 32 GB Packet buffer: 42 MB 100/1,000Mb/s management ports: 1 Serial ports: 1 RJ45 USB ports: 1 Hot-swap power supplies: 2 (1+1 redundant) Hot-swappable fans: 5 (N+1 redundant) Airflow options: Forward or reverse

Additional Information
First Listed on Newegg	December 29, 2025

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Limited Warranty period (parts): 1 year
Limited Warranty period (labor): 1 year
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Return for replacement within: 30 days

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NVIDIA Spectrum SN3420, Spectrum-2 based 25GbE/100GbE 1U Open Ethernet switch w/ Cumulus Linux, 48 x SFP28 ports, 12 x QSFP28 ports, 2 power supplies (AC), x86 CPU | MSN3420-CB2FC

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Customer Reviews of the NVIDIA SN3420

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Item#: 0XP-00VH-00018

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NVIDIA Spectrum SN3420, Spectrum-2 based 25GbE/100GbE 1U Open Ethernet switch w/ Cumulus Linux, 48 x SFP28 ports, 12 x QSFP28 ports, 2 power supplies (AC), x86 CPU | MSN3420-CB2FC

Learn more about the NVIDIA SN3420

Customer Reviews of the NVIDIA SN3420

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info