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Dell 406-BBLG Mellanox CX4121C CON-4 25GB RDNT

Dell 406-BBLG Mellanox CX4121C CON-4 25GB RDNT
Dell 406-BBLG Mellanox CX4121C CON-4 25GB RDNT
The Dell Mellanox CX4121C CON-4 25GB RDNT (part number 406-BBLG) is a high-performance, low latency network adapter designed for demanding data center and enterprise environments. It delivers four independent 25Gbps ports that enable rapid data movem... Read More
price
$139.95

Ships next business day.

  • In Stock: 1
  • Manufacturer: Dell
  • Model or Part: 406-BBLG
  • Condition: Refurbished
  • Weight: 3.00lb
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Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Overview

The Dell Mellanox CX4121C CON-4 25GB RDNT (part number 406-BBLG) is a high-performance, low latency network adapter designed for demanding data center and enterprise environments. It delivers four independent 25Gbps ports that enable rapid data movement between servers, storage arrays, and switches while maintaining energy efficiency and robust reliability.

Key Features

  • Four 25GbE ports with RDMA support for ultra-low latency communication
  • PCIe Gen4 x8 interface provides maximum throughput and bandwidth headroom
  • Advanced offload capabilities including checksum, segmentation and VLAN tagging
  • Built-in hardware based congestion management to protect against packet loss
  • Fully compatible with Dell PowerEdge servers and Mellanox OpenFabrics drivers
  • Compact single-slot form factor for dense rack deployment

Technical Specifications

  • Model/Part Number: 406-BBLG
  • Interface: PCIe Gen4 x8 (compatible with Gen3)
  • Port Count: 4 x 25GbE RJ45 or SFP28 (depending on configuration)
  • Supported Protocols: Ethernet, RoCE v2, iWARP, TCP/IP
  • Operating Temperature: 0 to 40 deg C
  • Power Consumption: Typical 12 W, Max 15 W
  • Dimensions: Standard full height, single slot

Typical Applications

  • High-performance computing clusters that require fast interconnects
  • Enterprise storage networks using NVMe over Fabrics or iSCSI
  • Financial trading platforms where microsecond latency is critical
  • Virtualization environments with heavy VM migration traffic
  • Machine learning and AI workloads demanding rapid data exchange
  • Data center fabrics that need scalable, low-latency connectivity

This adapter combines Dell reliability with Mellanox performance to deliver a seamless networking solution for modern data centers.