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

The Mellanox MCX4421A-ACUN is a high-performance dual-port 25GbE network adapter that delivers exceptional bandwidth and low latency for demanding enterprise and data center applications. Featuring two SFP28 ports on a PCIe 3.0 x8 interface, this adapter provides up to 50Gbps of aggregate throughput while maintaining backward compatibility with 10GbE networks. Key benefits include hardware-based RDMA acceleration, advanced packet processing offloads, and support for virtualization technologies like SR-IOV. The adapter excels in high-frequency trading, storage networking, and cloud computing environments where microsecond-level latency and maximum throughput are critical. Its energy-efficient design and robust feature set make it ideal for organizations seeking to upgrade network infrastructure without replacing existing cabling, offering a cost-effective path to next-generation network performance.