1. High performance, low power consumption, PCI Express* 2.0 (5.0 GT/s) 10/100/1000 Ethernet connection2. Any combination of fully integrated Quad GbE (x4/x2/x1) and Quad PHY/SERDES/SGMII3. IEEE 1588 (pre-standard)/IEEE802.1AS and timestamp per packet4. Support multiple Tx and Rx queues, virtual machine data queue (VMDq) and 9.5 KB jumbo frames5. Extensive operating system support: for Linux, Free BSD, Windows, VMware ESX, XEN, -VSpecification:Product name: PCI-E x4 network cardApplicable network: Gigabit EthernetMain controller: for Intel NH82580EBBus type: PCI Express*2.0 X4, 5.0GT/sMedia interface: 4*RJ45 copper twisted pairTransmission rate: 1000/100/10MbpsNetwork topology:10BASE-T/ 100BASE-TX/ 1000BASE-T, IEEE 802.1Q VLANsIEEE 802.3z, IEEE 802.3, IEEE 802.3x, IEEE 1588, IEEE 802.3azEnergy Efficient Ethernet (EEE)Management function: IPMI transfer via SMBus or NC-SI, iSCSI boot, WoL, PXE remote boot, VLAN filteringOperating system: for FreeBSD, Linux, VMWare ESXi, Win 7/ Server 2012/ Server 2008/ Win 8/Win 8.1/Server 2016/Win 10Colour:greenMaterial:PCB+metalPackage Contents:1 * PCI-E X4 NH82580EB Network cardOnly 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.