Chip: RTL8111; Ordinary: Compliant with PCI-Express 1.0 a standard PCI-Express transmission 2.5Gbps full-duplex channel; Support plug and play; Driver support Windows 98SE / ME / 2000 / XP / server 2003 / XP 64 bit / Vista / 7 / Linux etc; 1000M Ethernet interface 10MB/100MB/1000MB Network adaptive compliant with IEEEE 802.3 802.3 ab 802.3u 802.3x 802.1 VLAN technology; Support full duplex flow control (IEEE 802.3x); Automatic cross detection and correction; Send and receive FIFC 1024 cushion packaging; System requirement: PC computer with a available PCI-Express slot CD: http://m5.img.dxcdn.com/CDDriver/CD/sku.311458.rar