Refurbished
Dell Mellanox CX-4 Dual Port SFP28 10/25GbE LP Adapter | CX4121C

Thanks for the request. We'll get back to you with in 24 hours.

Condition: Refurbished ✓ Pulled from working servers & Tested. ✓ 1-year Parts Warranty.

Warranty | Return Policy

Adapter Specs
  • Type: Network Interface Card (NIC)
  • Ports: 2 x SFP28
  • Plug Type: PCI Express 3.0 x8
  • Max Data Rate: 10/25Gb
  • Protocols: Ethernet, RDMA, VXLAN, NVGRE
  • Form Factor: Low-profile PCIe card (The image shows Full Height Card)
Part Number:
  • LP: CX4121C
  • FH: MRT0D

The Dell Mellanox ConnectX-4 Dual Port 25GbE SFP28 Low-Profile Adapter (Model: CX4121C) is a high-performance network interface card designed for modern data centers and enterprise environments. Featuring two SFP28 ports, it supports 10/25GbE speeds, providing flexibility for various networking requirements. The adapter utilizes a PCI Express 3.0 x8 interface, ensuring efficient data transfer and low latency. Its low-profile form factor makes it suitable for servers with space constraints, allowing for seamless integration into compact systems.

Built on Mellanox's ConnectX-4 architecture, the CX4121C supports advanced networking features such as Remote Direct Memory Access (RDMA) over Converged Ethernet (RoCE), VXLAN, and NVGRE offloads. These capabilities enhance performance in virtualized environments by reducing CPU overhead and improving data throughput. The adapter is compatible with various Dell PowerEdge servers, offering a reliable solution for high-bandwidth applications.