This is a Mellanox ConnectX-4 Lx Single-Port 25GbE SFP28 Ethernet Mezzanine Adapter (P/N: MCX4411A-ACQN). This adapter is designed to provide a high-performance, low-latency networking solution for modern data centers. The mezzanine form factor allows it to be integrated into specific OEM server platforms (like Dell PowerEdge) without occupying a standard PCIe slot, making it ideal for high-density compute and storage solutions.
Key Features
-
High-Speed 25GbE Connectivity: Features a single 25GbE SFP28 port, providing a significant performance upgrade over 10GbE for demanding enterprise workloads.
-
Mezzanine Form Factor: This specialized card plugs directly into a dedicated slot on the motherboard of compatible servers, preserving valuable PCIe slots for other hardware.
-
RDMA Performance: Powered by the Mellanox ConnectX-4 Lx controller, it supports advanced acceleration and offload engines, including RDMA over Converged Ethernet (RoCE), to reduce CPU overhead and deliver low-latency performance.
-
Enterprise Grade: Engineered for the data center with features designed to accelerate network performance for virtualization, cloud, and storage applications.