PCIe Gigabit Ethernet Network Adapter Lan Card Dual RJ45 1000Mbps PCI-e NIC Network Interface Card 10/100/1000Mbps For Desktop PC Computer PCI-e 1x (or above) slot System compatibility: windows7, 8.x, 10, 11, windows server 2008 r2, 2012, 2016, 2019, linux 2.6.x to 5.x. Intel 82571 controller is used to make the speed faster and more stable Industry Standards: ieee 802.3, ieee 802.3u, ieee 802.3x, ieee 802.3ab