Mellanox MCX4421A-ACAN 25GbE Dual-port SFP28 PCIe 3.0 x8 Network Card Adapter

The Mellanox MCX4421A-ACAN is a high-performance dual-port 25GbE network adapter that delivers exceptional bandwidth and low latency for demanding enterprise and data center applications. This PCIe 3.0 x8 card features two SFP28 ports, providing up to 50Gbps aggregate throughput for bandwidth-intensive workloads like virtualization, cloud computing, and high-frequency trading.

Key advantages include hardware-based RDMA over Converged Ethernet (RoCE) support for ultra-low latency communication, advanced packet processing offloads to reduce CPU overhead, and SR-IOV virtualization capabilities for efficient resource sharing. The adapter supports flexible connectivity options with SFP28 transceivers and offers backward compatibility with 10GbE networks.

Built on Mellanox’s proven ConnectX-4 Lx architecture, this network card delivers industry-leading performance per watt, making it ideal for organizations seeking to maximize network efficiency while minimizing power consumption and total cost of ownership in modern data center environments.