NVIDIA Mellanox MSN4600-CS2RC Spectrum-3 2U 64-Port 100GbE Open Ethernet Switch with Cumulus Linux: This is a 2U fixed-form-factor Open Ethernet top-of-rack/aggregation switch built on the NVIDIA Spectrum-3 ASIC, with 64 QSFP28 ports of 100GbE, C2P (Connector-to-Power) airflow, dual redundant AC PSUs, and Cumulus Linux pre-installed. This is a Cumulus pre-loaded SKU; it is NOT the ONIE-only "-CS2RO" variant nor the Onyx "-CS2R" variant. This is a refurbished unit.
Engineering Context
The MSN4600-CS2RC delivers line-rate 100GbE switching across all 64 QSFP28 ports using NVIDIA Spectrum-3 silicon. Spectrum-3 supplies deterministic low latency, a unified shared buffer for fairness under microbursts, and rich telemetry. Cumulus Linux brings a Debian-based NOS with full Layer 2/Layer 3 features, automation tooling (Ansible, NCLU/NVUE), and EVPN-VXLAN support for overlay fabrics. C2P airflow places intake on the port (cabling) face, suitable for hot-aisle/cold-aisle layouts where ports face the cold aisle.
Deployment & Use Cases
Leaf or spine layer of 100GbE Ethernet leaf-spine fabrics. EVPN-VXLAN overlay deployments in cloud and enterprise data centers. Aggregation for AI/ML clusters and HPC compute pods using ConnectX-5/6 adapters. Storage networking with RoCEv2 over 100GbE.
Technical Specifications
OEM: NVIDIA Mellanox
Part Number: MSN4600-CS2RC
Form Factor: 2U fixed rackmount
Switching ASIC: NVIDIA Spectrum-3
Ports: 64 x QSFP28 (100GbE per port)
Throughput Class: Line-rate 6.4 Tb/s switching capacity
CPU: x86 management processor
Operating System: Cumulus Linux pre-installed
Airflow: C2P (Connector-to-Power)
Power Supplies: Dual AC, redundant
Architecture: Open Ethernet
Condition: Refurbished — Tested by T.E.S IT-SOLUTIONS
Compatibility & Constraints
Compatible with NVIDIA Mellanox QSFP28 100GbE optics, AOCs, and DACs (e.g., MMA1B00 family, MFA1A00 AOCs, MCP1600 DACs) and ConnectX-4/5/6 adapters in 100GbE mode. Includes Cumulus Linux pre-installed; SONiC or NVIDIA Onyx are NOT pre-loaded on this -CS2RC variant. Airflow is C2P only; switching to a P2C-airflow rack design will require the matching variant. Rail kit is NOT included unless otherwise specified. Not an InfiniBand HDR/NDR switch.
Why Choose T.E.S IT-SOLUTIONS
T.E.S IT-SOLUTIONS validates each switch for port reachability, PSU redundancy, thermal stability, and Cumulus boot integrity before shipment. We provide expert consultation on 100GbE Ethernet fabric design, EVPN-VXLAN deployment, global shipping, and a comprehensive warranty. View this product. Handling time 1–3 business days.