The best-selling Intel Ethernet Server Adapter X520-DA1 & X520-DA2 are known for their high performance, low latency, reliability, & flexibility. The addition of the Open Compute Project (OCP) server adapter to the family delivers the Intel Ethernet Server Adapter X520-DA1/X520-DA2 capabilities in an OCP form factor. The Intel Ethernet Server Adapter X520-DA1/X520-DA2 for OCP delivers a proven, reliable solution for deployments of Ethernet for high-bandwidth, low-cost, 10-Gb E network connections. Increased I/O performance with Intel Data Direct I/O Technology & support for intelligent offloads make this adapter a perfect match for scaling performance on Intel Xeon processor E5/E7-based servers. Powered by the Intel 82599 10 Gigabit Ethernet Controller, the Intel Ethernet Server Adapter X520-DA1/X520-DA2 for OCP addresses the demanding needs of the next-generation data center by providing unmatched features for virtualization & proven, reliable performance. The Intel 82599 10 Gigabit Ethernet Controller is the industry standard for 10 Gb E, making it the most popular 10 Gb E controller on the market today.