Mellanox MCX546A-BCAN ConnectX-5 Ex EN Network Interface Card for OCP 40GbE Dual-Port QSFP28 PCIe3.0 x16 No BracketConnectX-5 EN Adapter Card for Open Compute Project (OCP) Single and dual-port 100GbE PCIe Gen4 intelligent RDMA-enabled network adapter card with advanced application offload and Multi-Host capabilities for Machine Learning, Web2.0, Cloud, and Storage platforms. ConnectX-5 EN supports up to two ports of 25Gb/s or 100Gb/s Ethernet connectivity, sub-750ns latency, and a very high message rate, plus PCIe Gen4 support and NVMe over Fabric offloads, providing the highest performance and most flexible solution for Open Compute Project servers and storage appliances while supporting the most demanding applications and markets, including machine learning, data analytics, and more. ConnectX-5 EN adapter cards are available in various form factors to meet the needs of every data center including OCP 2.0 type 1 and type 2, as well as OCP 3.0.