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NVIDIA MSN3700-CS2F 1U Spectrum-2 100GbE open Ethernet switch with Onyx, 32 QSFP28 ports, dual AC power supplies, and P2C airflow

NVIDIA/Mellanox MSN3700-CS2F Mellanox Spectrum-2 Based 100GbE 1U Open Ethernet Switch with Onyx, 32 QSFP28 Ports, 2 Power Supplies (AC), Standard Depth, P2C Airflow, Rail Kit

P/N: MSN3700-CS2F SKU: 10505

US$11,999.00

In Stock: 9 pcs

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  • 3-year warranty service icon 3-year warranty
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Products Highlight

  • 32×100GbE QSFP28 Ports in 1U
  • 3.2Tb/s Non-Blocking Switching Capacity
  • 4.76Bpps Wire-Speed Packet Processing
  • 128×25GbE Breakout Without Blocked Ports
  • Single-Pass VXLAN Routing at Line Rate
  • NVIDIA Onyx Automation and Telemetry

Specifications

Part Number MSN3700-CS2F Switch ASIC NVIDIA Spectrum-2
Form Factor 1U Switching Capacity 3.2Tbps
Ports 32 x QSFP28 Port Speed 100GE
Software NVIDIA Onyx Airflow Power-to-Connector (P2C)
Cooling Mechanism Air Cooled Input Voltage 100–127VAC, 50/60Hz, 10A / 200–240VAC, 50/60Hz, 6A
Dimensions (H × W × D) 44 × 428 × 559mm Warranty 1-Year / 3-Year / 5-Year Support Options Available

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Switch Series & Supported Models

Browse common switch series and models supported for each brand.

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NVIDIA/Mellanox MSN3700-CS2F Mellanox Spectrum-2 Based 100GbE 1U Open Ethernet Switch with Onyx, 32 QSFP28 Ports, 2 Power Supplies (AC), Standard Depth, P2C Airflow, Rail KitNVIDIA/Mellanox MSN3700-CS2F Mellanox Spectrum-2 Based 100GbE 1U Open Ethernet Switch with Onyx, 32 QSFP28 Ports, 2 Power Supplies (AC), Standard Depth, P2C Airflow, Rail KitNVIDIA/Mellanox MSN3420-CB2F Mellanox Spectrum-2 Based 25GbE/100GbE 1U Open Ethernet Switch with Onyx, 48 SFP28 Ports and 12 QSFP28 Ports, 2 Power Supplies (AC), Standard Depth, P2C Airflow, Rail KitNVIDIA/Mellanox MSN3420-CB2F Mellanox Spectrum-2 Based 25GbE/100GbE 1U Open Ethernet Switch with Onyx, 48 SFP28 Ports and 12 QSFP28 Ports, 2 Power Supplies (AC), Standard Depth, P2C Airflow, Rail KitNVIDIA/Mellanox MSN3420-CB2FC Mellanox Spectrum-2 Based 25GbE/100GbE 1U Open Ethernet Switch with Cumulus Linux, 48 SFP28 Ports and 12 QSFP28 Ports, 2 Power Supplies (AC), Standard Depth, P2C Airflow, Rail KitNVIDIA/Mellanox MSN3420-CB2FC Mellanox Spectrum-2 Based 25GbE/100GbE 1U Open Ethernet Switch with Cumulus Linux, 48 SFP28 Ports and 12 QSFP28 Ports, 2 Power Supplies (AC), Standard Depth, P2C Airflow, Rail KitNVIDIA/Mellanox MSN3700-VS2F Mellanox Spectrum-2 Based 200GbE 1U Open Ethernet Switch with Onyx, 32 QSFP56 Ports, 2 Power Supplies (AC), Standard Depth,x86 CPU, P2C Airflow, Rail KitNVIDIA/Mellanox MSN3700-VS2F Mellanox Spectrum-2 Based 200GbE 1U Open Ethernet Switch with Onyx, 32 QSFP56 Ports, 2 Power Supplies (AC), Standard Depth,x86 CPU, P2C Airflow, Rail KitNVIDIA/Mellanox MSN3700-VS2FC Mellanox Spectrum-2 Based 200GbE 1U Open Ethernet Switch with Cumulus Linux, 32 QSFP56 Ports, 2 Power Supplies (AC), Standard Depth,x86 CPU, P2C Airflow, Rail KitNVIDIA/Mellanox MSN3700-VS2FC Mellanox Spectrum-2 Based 200GbE 1U Open Ethernet Switch with Cumulus Linux, 32 QSFP56 Ports, 2 Power Supplies (AC), Standard Depth,x86 CPU, P2C Airflow, Rail KitNVIDIA/Mellanox MSN3700-CS2FC Mellanox Spectrum-2 Based 100GbE 1U Open Ethernet Switch with Cumulus Linux, 32 QSFP28 Ports, 2 Power Supplies (AC), Standard Depth, P2C Airflow, Rail KitNVIDIA/Mellanox MSN3700-CS2FC Mellanox Spectrum-2 Based 100GbE 1U Open Ethernet Switch with Cumulus Linux, 32 QSFP28 Ports, 2 Power Supplies (AC), Standard Depth, P2C Airflow, Rail Kit
Switch ASICNVIDIA Spectrum-2NVIDIA Spectrum-2NVIDIA Spectrum-2NVIDIA Spectrum-2NVIDIA Spectrum-2NVIDIA Spectrum-2
Form Factor1U1U1U1U1U1U
Switching Capacity3.2Tbps4.8Tbps4.8Tbps6.4Tbps6.4Tbps3.2Tbps
Ports32 x QSFP2848 x SFP28 + 12 x QSFP2848 x SFP28 + 12 x QSFP2832 x QSFP5632 x QSFP5632 x QSFP28
Port Speed100GE25GE / 100GE25GE / 100GE200GE200GE100GE
SoftwareNVIDIA OnyxNVIDIA OnyxNVIDIA Cumulus LinuxNVIDIA OnyxNVIDIA Cumulus LinuxNVIDIA Cumulus Linux
AirflowPower-to-Connector (P2C)Power-to-Connector (P2C)Power-to-Connector (P2C)Power-to-Connector (P2C)Power-to-Connector (P2C)Power-to-Connector (P2C)

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FAQ

Ask a Question

Find answers to common questions about our products.

Can one MSN3700-CS2F provide 64×25GbE server ports and 16×100GbE uplinks with a 1:1 bandwidth design?

Yes. By breaking out 16 QSFP28 ports into 4×25GbE each, the switch can provide 64×25GbE downlinks while the remaining 16 ports operate as native 100GbE uplinks. This creates 1.6Tbps of host-facing bandwidth and 1.6Tbps of uplink bandwidth, which is suitable for dense racks that require minimal oversubscription.

Can I use only two branches of a 100GbE-to-4×25GbE breakout cable at first?

Yes. The SN3700C supports splitting a 100GbE port into four or fewer 25GbE connections, so unused branches can remain unconnected temporarily. Configure the physical port as split-4 in Onyx first, then configure only the logical interfaces that are actually in use. Keep unused cable ends protected and clearly labeled.

We still have some 40GbE equipment. Can it remain connected while we migrate to 100GbE?

Yes. QSFP28 ports can operate at 40GbE, allowing selected legacy 40GbE links to remain active alongside new 100GbE or 25GbE connections.

Can traffic from a 100GbE port be copied to a security appliance or packet analyzer?

Yes. Onyx supports port mirroring, which can send a copy of selected traffic to an analyzer port for troubleshooting, intrusion detection, or protocol analysis.

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