Add two independent 10G Ethernet ports to your enterprise, server, or desktop computer Adds two independent 10G Ethernet ports through an available PCI Express 2.1 specification x8 or larger PCIe slot to server or desktop systems Intel X540-T2 chipset supports reliable and advanced network connectivity with Intel virtualization technology Compliant with IEEE 802.3, 802.3an, 802.3ad, 802.1Q with full duplex and Wake-on-Lan support Features DMA Coalescing to increase efficiency and reduce power consumption Fits both standard and low-profile system chassis with the included brackets Extra large heat-sink provides better heat-dissipation for reliable performance and long life