Netgear GA311NA Gigabit PCI Adapter NETGEAR GA311 Gigabit PCI Adapter Data Transfer Rate: 10Mbps Ethernet Half/Full-duplex, 100Mbps Fast Ethernet Connectivity Media: 10Base-T, 100Base-TX, 1000Base-T Host Interface: PCI NT 4.0 and NDIS 2.0 drivers Support