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Silver 2U rackmount switch, 64 QSFP28 ports, dual power supplies, front-to-back airflow

Mellanox Technologies

Mellanox Technologies MSN4600-CS2FC 64-port 100GbE network switch

SKU CH-TFGG-CKYMQ MPN MSN4600-CS2FC

A 2U rackmount switch with 64 QSFP28 ports running up to 100GbE per port, Intel x86 CPU, Cumulus Linux and 6.4 Tb/s throughput

  • FormatRackmount
  • Primary Ports64 x QSFP28
  • Primary Port Speed1/10/25/40/50/100GbE per port
  • Layer3
  • PowerInput Voltage: 1x/2x, 10A/100-127Vac, 50/60Hz, 6A/200-240Vac
  • Dimensions3.46" (H) x 16.85" (W) x 22.3" (D) 88mm (H) x 428mm (W) x 56
  • 64 QSFP28 ports support speeds from 10 to 100GbE per port
  • 4 Tb/s switching throughput handles dense spine and super-spine workloads
  • 4 Bpps processing capacity keeps latency low in large virtualised data centres
  • Dual AC power supplies with 466W typical draw provide redundancy for continuous operation
  • Pre-loaded Cumulus Linux on x86 CPU gives full Layer 3 management and open network control

64-port 100GbE spine switch

The MSN4600-CS2FC is a 2U rackmount switch built on the NVIDIA Spectrum-3 ASIC with an onboard x86 CPU. It delivers 64 QSFP28 ports that operate at 1, 10, 25, 40, 50 or 100 GbE per port and provides 6.4 Tb/s throughput for spine and super-spine layers in large data centres.

Suited for high-density 100GbE fabrics.

This switch targets cloud and virtualised environments that need 64 ports of 100GbE in a compact 2U form factor with dual AC power supplies and front-to-rear airflow. Buyers who need fewer ports, slower uplink speeds or a different airflow direction should consider other form factors.

64 QSFP28 ports at up to 100GbE per port

The single specification that determines fit is the 64 QSFP28 interfaces, each capable of 100GbE line rate. If the network design requires exactly 64 ports of 100GbE density in a 2U chassis, this model matches; if the port count or speed profile differs, a different platform is required.

Highlights

  • 64 QSFP28 ports support speeds from 10 to 100GbE per port
  • 4 Tb/s switching throughput handles dense spine and super-spine workloads
  • 4 Bpps processing capacity keeps latency low in large virtualised data centres
  • Dual AC power supplies with 466W typical draw provide redundancy for continuous operation
  • Pre-loaded Cumulus Linux on x86 CPU gives full Layer 3 management and open network control

Specifications

BrandNVIDIA
SeriesSpectrum SN4000 Series
ModelSN4600C
Part NumberMSN4600-CS2FC
FormatRackmount
Primary Ports64 x QSFP28
Primary Port Speed1/10/25/40/50/100GbE per port
Layer3
PowerInput Voltage: 1x/2x, 10A/100-127Vac, 50/60Hz, 6A/200-240Vac,50/60Hz
Global power consumption: Typical power with passive cables (ATIS): 466W
Dimensions3.46" (H) x 16.85" (W) x 22.3" (D)
88mm (H) x 428mm (W) x 568mm (D)
Weight15kg (33lb)
TemperatureOperating: 0 degree Celsius to 35 degrees Celsius; Non-operating: -40 degrees Celsius to 70 degrees Celsius
HumidityRelative humidity 5-85%
FeaturesMAIN DEVICES:
CPU: Intel x86 2.20GHz Quad Core
PCIe: 4x Gen 3.0
Switch: NVIDIA Spectrum-3
Memory: 8GB RAM, 30GB SSD
Throughput: 6.4 Tb/s
Shipping weight22.68 kg
Package size800 × 602 × 170 mm

Questions about this item

What type of cables or transceivers do I need to use the 64 QSFP28 ports on this switch?

Each port accepts QSFP28 modules or direct-attach cables rated for 1/10/25/40/50/100GbE; choose passive copper for short runs or optical transceivers for longer distances.

Will my existing 10GbE and 25GbE servers connect directly to the 100GbE ports without extra adapters?

Yes — the ports auto-negotiate down to 10GbE, 25GbE, 40GbE or 50GbE, so legacy NICs with matching QSFP28 or QSFP+ optics plug in and work.

Which front-panel LEDs or software counters confirm the switch is forwarding at the full 6.4 Tb/s throughput?

The port LEDs show link speed and activity per QSFP28 port, while the Cumulus Linux dashboard reports aggregate throughput, packet rate and error counters in real time.

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