[Add an Ethernet Port to Any PC]Use this 2 ports PCIE network card to add a 10/100/1000Mbps Ethernet port to any PC through a PCI Express slot [Wide Compatibility & Safety]Compatible with Windows XP/10/8.1/8/7,LINUX,NAS,and can be used with PCI Express X1 , X4 , X8 , X16 slots. An additional half-height bracket makes it easy to install on a small computer or server [Fully Compliant]This professional-grade server adapter network card is fully compliant with IEEE 802.3 , IEEE 802.3u , IEEE 802.3ab , IEEE 802.3az , IEEE 802.3bz standards [2 RJ45 Interfaces]Support micro ndis5, ndis6 checksum uninstall, (IPv4, IPv6 , TCP , UDP) and split tasks , unloading (mass transfer v1 and girders transfer v2) , support EMAC-393 ECMA ProxZzzy host sleep standard , support full duplex flow control lEEE 802.3X)