Spectrum-2 | 100GbE | 2U | 64× QSFP28 | ONIE | C2P Airflow
NVIDIA P/N: 920-9N210-00R7-0N0
The NVIDIA Mellanox® MSN3800-CS2RO is a high-density Spectrum-2 based 100GbE Open Ethernet switch, engineered for hyperscale, cloud, AI/ML, and HPC data centers requiring predictable low latency and exceptional throughput.
With 64 × QSFP28 ports in a 2U form factor, redundant AC power supplies, and efficient C2P airflow, the MSN3800-CS2RO delivers reliable performance in demanding environments.
Equipped with ONIE, this model provides full flexibility to install the Network Operating System (NOS) of your choice — including SONiC, Cumulus Linux, Onyx, or other supported open network operating systems.
📦 Technical Specifications
Model: MSN3800-CS2RO
Part Number: 920-9N210-00R7-0N0
Switch ASIC: NVIDIA Spectrum-2
Ports: 64 × QSFP28 (up to 100GbE per port)
CPU: x86 control processor
Operating System: ONIE (Open Network Install Environment)
Airflow Direction: C2P (Connector → Power)
Power Supplies: Dual hot-swappable AC (redundant)
Form Factor: 2U, standard depth
Cooling: High-efficiency C2P cooling architecture
Technology: Open Ethernet
⚙️ Key Features
✅ 64-port 100GbE density — ideal for large-scale fabrics
✅ Spectrum-2 ASIC: deterministic low latency & advanced telemetry
✅ ONIE flexibility to deploy your preferred NOS
✅ x86 control plane for advanced monitoring and automation
✅ Dual AC power supplies for mission-critical uptime
✅ C2P airflow optimized for hot aisle data center cooling
✅ Designed for cloud, AI, HPC, and enterprise core networks
✅ Energy-efficient build with reduced power per gigabit
💼 Ideal Applications
🔹 Hyperscale cloud environments
🔹 AI/ML compute clusters
🔹 100GbE spine/leaf deployments
🔹 HPC and scientific computing
🔹 Large enterprise and ISP data centers
🔹 High-bandwidth storage networks (RoCE/RDMA)
🛠 Customer Support & Integration
NOS installation support (Cumulus, SONiC, Onyx, DENT)
Compatibility validation for optics, DACs, NICs, switches
Deployment guidance for large-scale fabrics
Remote installation assistance (optional)
📋 Quality Assurance — TES Certified
Fully lab-tested for thermal, performance, and PSU redundancy
Refurbished to enterprise-grade operational standards
Minimal cosmetic wear
Full compatibility with Mellanox/NVIDIA networking ecosystem
High-resolution images provided upon request
💳 Payment & Shipping
💳 PayPal • Credit Card • Wire Transfer
📦 8–13 day international shipping (FedEx/TNT)
📦 Professional protective packaging included
↩ Returns accepted (buyer pays return shipping)
🛡 Warranty included
⚠️ Buyer responsible for customs/taxes
🤝 Why T.E.S IT-SOLUTIONS?
We are a global specialist in refurbished and new NVIDIA Mellanox networking equipment:
🔸 Spectrum switches (25G → 400G)
🔸 ConnectX NICs (CX-3 → CX-7)
🔸 DACs, AOCs, and optical transceivers
🔸 Complete AI/HPC networking builds
When performance, reliability, and pricing matter — T.E.S IT-SOLUTIONS delivers.