Dual-port 25GbE adapter based on Mellanox ConnectX-4 Lx, ideal for high-throughput servers, virtualization and NVMe-oF/RDMA workloads. Backward-compatible with 10GbE (SFP+).
Key Features:
• Model: CX4121A / P/N MCX4121A-ACAT
• 2× SFP28 25GbE ports (10/25GbE)
• PCI-Express 3.0 x8 interface, low-profile/standard bracket as pictured
• RDMA/RoCE v2, SR-IOV, VXLAN/GENEVE offloads
• OS support: Linux, Windows Server, VMware ESXi (common driver support)
Included: Network adapter card only; no SFP28/SFP+ transceivers or cables.
Notes: Compatible with SFP28 DAC/AOC modules and many Mellanox/NVIDIA-approved optics.