1. High performance, low power consumption, PCI Expressx 2.0 (5.0 GT/s) 10/100/1000 Ethernet connection 2. Compact, single chip provides excellent port density for server and embedded design 3. Any combination of fully integrated Dual GbE and Dual PHY/SERDES/SGMII 4. IEEE 1588 (pre-standard)/IEEE802.1AS and time stamp of each packet 5. Support multiple Tx & Rx queues, virtual machine data queue (VMDq) and 9.5 KB jumbo frames; 6. Extensive support: Linux, free , , ESX, XEN, -V Product Name: PCI-E NH82580 Gigabit Dual Electric Port Network Card Applicable network: Gigabit Ethernet Main controller: for NH82580DB Bus type: PCI Express X1, Rev2.0, 5.0GT/s Media interface: copper cable, RJ45 Transmission rate: 1000Mbps Network expansion: 10BASE-T/ 100BASE-TX/ 1000BASE-T, IEEE 802.1Q VLANs; IEEE 802.3z, IEEE 802.3, IEEE 802.3x, IEEE 1588, IEEE 802.3az; Energy Efficient Ethernet (EEE) Management function: IPMI transfer via SMBus or NC-SI, iSCSI boot, , PXE remote boot, VLAN filtering : FreeBSD, Linux, ESXi; Win 7/ Server 2012/ Server 2008/ Win 8/Win 8.1/Server 2016/Win 10 Material:PCB+metal colour:green Package Contents: 1 x PCI-E NH82580 Gigabit dual electric port network card 1 x Short iron sheet 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.