Mellanox MCX4121A-ACUT Connectx-4 Lx Ethernet Network Interface Card 25gbe Dual port Sfp28 Pcie 3X8

The Mellanox MCX4121A-ACUT ConnectX-4 Lx is a high-performance dual-port 25GbE network interface card featuring SFP28 connectivity and PCIe 3.0 x8 interface. This enterprise-grade NIC delivers exceptional throughput with ultra-low latency, making it ideal for data centers, cloud computing, and high-frequency trading environments. Key benefits include hardware-based packet processing offloads that reduce CPU overhead, advanced RDMA support for efficient memory access, and robust virtualization capabilities with SR-IOV. The dual-port design provides redundancy and load balancing while the compact form factor maximizes server density. Built with Mellanox’s proven reliability and backed by comprehensive software support, this card offers superior price-to-performance ratio for organizations requiring scalable, high-speed networking solutions.