1. PCIe base specifiatication 20(25GT/S) or (5GT/s). Complies with quad port 1GbE PHY device. MDI(Copper) standrd IEEE8023 Ethernet interface for 1000BASE-T,100BASE-TX,and10BASE-T application(8023,8023u,and 8023ab) 2. PCI Bus Management interface Specification Rev12. Max 96KB of jumbo frames supported. Flow control supports: send/receive PAUSE frames and receive FIFO thresholds 3. Statistics for management and RMON. 8021Q 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. support 5. Suport for Virtual Machines device queues. Supports OS: Linux,FreeBSD/Server2003/Win7/Win8/Win81/Server2012/Server2016/Win10 32/64bi Kind: Internal Type: Wired Lan Transmission Rate: 1000M Ethernet Application: Server Adapter Socket: RJ45 Interface Type: PCI Applicable Network Type: Gigabit Ethernet Chipset: Intel82576 Interface: PCIE X1 colour:Photo color Material:ABS size:12 x 6 x 1cm Package Contents: 1 x Gigabit network card Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.