Mellanox MCX456A-ECAT ConnectX-4 100GbE Network Adapter

Ultra-High Performance 100GbE Networking

The Mellanox MCX456A-ECAT ConnectX-4 network adapter delivers dual-port 100GbE performance for high-performance computing (HPC), enterprise data centers and cloud platforms. Designed for ultra-low latency workloads, it supports RoCE, RDMA, NVMe-oF and advanced offload capabilities for efficient packet processing.

Optimized for HPC & Virtualization

Powered by the ConnectX-4 architecture, this adapter accelerates virtualization through SR-IOV, DPDK, and hardware offloading for overlay networks such as VXLAN and NVGRE. It is ideal for compute clusters, AI/ML training nodes, and large-scale virtualized environments.

Smart Management & Reliable Uptime

Dual QSFP28 ports enable flexible 40G/50G/56G/100G configurations using DAC, AOC or optical transceivers. PCIe Gen3 ×16 ensures full bandwidth utilization for demanding workloads. Compatible with Dell, Supermicro, HP and other enterprise servers.

Key Specifications

• Model: Mellanox MCX456A-ECAT
• Ports: 2 × QSFP28 (100GbE)
• Interface: PCIe Gen3 ×16
• Technologies: RDMA, RoCE, NVMe-oF, SR-IOV, DPDK, GPUDirect
• Dimensions (L × W × H): 16.8 × 6.9 × 1.8 cm
• Weight: 0.16 kg
• Compatibility: Dell, Supermicro, HP, Lenovo, and all PCIe Gen3 ×16 servers