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

The Mellanox MCX4421A-ACQN 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 with advanced hardware offloading capabilities including RDMA over Converged Ethernet (RoCE), SR-IOV virtualization support, and intelligent packet processing. Key benefits include reduced CPU overhead, improved application performance, enhanced network efficiency, and seamless integration with existing infrastructure. The adapter’s unique selling points are its industry-leading ConnectX-4 Lx technology, comprehensive software ecosystem compatibility, enterprise-grade reliability, and cost-effective path to high-speed networking without requiring complete infrastructure overhaul.