Single-Port 10/25/40/50 Gigabit Ethernet Adapters Supporting Multi-Host Technology, RDMA, Overlay Networks and More. ConnectX-4 Lx EN Network Controller with 10/25/40/50 Gb/s Ethernet interface delivers high-bandwidth, low latency and industry-leading Ethernet connectivity for Open Compute Project (OCP) server and storage applications in Web 2.0, Enterprise Data Centers and Cloud infrastructure. With ConnectX-4 Lx EN, server and storage applications will achieve significant throughput and latency improvements resulting in faster access, real-time response and more virtual machines hosted per server. ConnectX-4 Lx EN for Open Compute Project (OCP) specification 2.0 improves network performance by increasing available bandwidth while decreasing the associated transport load on the CPU especially in virtualized server environments.