Koutech Gigabit Ethernet 10/100/1000 PCI Express (x1) Card (Marvell) One (1) Gigabit Ethernet Network port and easy to use Plug-N-Play Gigabit 10/100/1000 network adapter Auto detects and connects to 10Mbps Ethernet, 100Mbps Fast Ethernet, and 1000Mbps Gigabit Ethernet networks Fully compliant with one-lane 2.5Gbit/sec PCI Express specifications (PCIe x1 slot) Compliant with 10/100/1000 IEEE 802.3 specification Fully Plug-N-Play compatible and supports 32-bit & 64-bit Windows 2000/XP/Vista/Server 2008/Windows 7/Windows 8/Linux