🌟 NVIDIA Mellanox® MSN3420-CB2F | 48× 25GbE + 12× 100GbE | Spectrum Ethernet | Onyx OS | Refurbished
NVIDIA Part Number (PN): 920-9N213-00F7-0X0
The NVIDIA Mellanox® MSN3420-CB2F is a high-performance Open Ethernet switch built on the powerful Spectrum® ASIC, offering a flexible combination of 48× 25GbE SFP28 ports and 12× 100GbE QSFP28 uplinks.
With Onyx OS, strong automation support, and enterprise-class reliability, this model is ideal for modern data center fabrics, cloud deployments, AI/ML clusters, and high-density enterprise networks.📦 Technical Specifications
Model: MSN3420-CB2F
Part Number: 920-9N213-00F7-0X0
Switch Architecture: Spectrum® Open Ethernet
Port Configuration:
48 × SFP28 (25GbE)
12 × QSFP28 (100GbE)
Operating System: Mellanox Onyx (pre-installed)
CPU: x86-based control processor
Airflow: P2C (Power → Connector)
Power Supplies: Dual AC, hot-swappable
Form Factor: 1U rackmount
Depth: Standard
Compliance: RoHS6
⚙️ Key Features
✅ Mixed 25G/100G flexibility for scalable leaf/spine designs
✅ Onyx OS with automation, routing, telemetry & advanced Layer-2/3 features
✅ Enterprise-grade redundancy via dual hot-swappable PSUs
✅ Low-latency switching optimized for storage, AI, and HPC workloads
✅ x86 CPU enabling advanced monitoring and network programmability
✅ Works perfectly with Mellanox DACs, AOCs & transceivers
✅ Professionally refurbished and fully tested
💼 Ideal For
🔹 High-speed enterprise & cloud data centers
🔹 AI/ML & HPC clusters requiring 25G access & 100G uplinks
🔹 NVMe-oF storage backbones
🔹 Scalable leaf/spine architectures
🔹 Open networking deployments with Onyx management
🔹 Low-latency workloads (finance, telecom, CDN)
📋 Quality Assurance (TES-Certified)
Every port tested under load
PSU redundancy verified
OS validated (Onyx ready)
Full thermal, fan & airflow testing
Clean, refurbished hardware with minimal cosmetic wear
Compatibility guaranteed with Mellanox NVIDIA optics and cables
📸 High-resolution photos available upon request
💳 Payment & Shipping
💳 PayPal • Wire Transfer • Credit Card
📦 8–13 day worldwide shipping (FedEx/TNT Express)
📦 Anti-static & shock-protected professional packaging
↩ 14-day returns (buyer pays return shipping)
⚠ Customs/import duties not included
🧰 Why Choose T.E.S IT-SOLUTIONS?
We are a global supplier of certified refurbished Mellanox NVIDIA hardware:
🔸 ConnectX® NICs (10G–400G)
🔸 Spectrum® / Quantum™ switches (Ethernet + InfiniBand)
🔸 DACs, AOCs, OSFP/QSFP28/QSFP112, SFP28
🔸 PSUs, brackets, rail kits & accessories
🔸 Expert guidance for AI/ML, cloud & enterprise networks
Trusted by data centers in 25+ countries.

