* Compliant with PCI Express base specification 1.0a * Supports one-lane 2.5Gbps PCI express specification * Integrated 10/100/1000 transceiver * Easy plug & play * LED indicates status. * Os support windows 2000/xp/server 2003 Package Contents 1 x Gigabit Ethernet ExpressCard 1 x Driver CD 1 x User Manual