Adds one 10GbE SFP Ethernet port through an available PCI Express slot to server or desktop systems Quickly adds one 10GbE SFP Ethernet port through an available PCI Express 2.0 x8 slot to server or desktop systems Intel X520 chipset support reliable and advanced network connectivity with Intel virtualization technology, flexible features of LAN and SAN network with iSCSI, NFS Compliant with IEEE 802.3ae, 802.3x, 802.1Q with full duplex and Wake-on-Lan support Feature innovative power management including Energy Efficient Ethernet(EEE) and DMA Coalescing to increase efficiency and reduce power consumption Fits both standard and low-profile system chassis with the included brackets Large heat-sink provides better heat-dissipation for reliable performance and long life