1. PCIe base specifiatication 2.0(2.5GT/S) or (5GT/s). Complies with quad port 1GbE PHY device. MDI(Copper) standrd IEEE802.3 Ethernet interface for 1000BASE-T,100BASE-TX,and10BASE-T application(802.3,802.3u,and 802.3ab) 2. PCI Bus Power Management interface Specification Rev1.2. Max 9.6KB of jumbo frames supported. Flow control supports: send/receive PAUSE frames and receive FIFO thresholds 3. Statistics for management and RMON. 802.1Q VLAN support. 64-bit address support for systems using more than 4GB of physical memory 4. IPv6 wake-up filters. TCP segmentation offload :up to 256KB. IPv6 support for IP/TCP and IP/UDP receive checksum offload. Interrupt throttling control to limit maximum interrupt rate and improve CPU usage. Receive packet split header. DCA support 5. Suport for Virtual Machines device queues. Supports OS: Linux,FreeBSD/Server2003/Win7/Win8/Win8.1/Server2012/Server2016/Win10 32/64bi Kind: Internal Type: Wired Lan Transmission Rate: 1000M Ethernet Application: Server Adapter Socket: RJ45 Interface Type: PCI Express Applicable Network Type: Gigabit Ethernet Chipset: Intel82576 Interface: PCIE X1 colour:Photo color Material:ABS size:12 x 6 x 1cm Package Contents: 2 x Gigabit network card