The Giga Ethernet PCI-E Adapter is a 10/100/1000Mbps Giga PCI-E adapter, which reduces CPU loading using bus master architecture. It also provides WOL and Boot-ROM. With the Auto-Negotiation (Nway) function support, the adapter can auto-negotiate 10Mbps, 100Mbps or 1000Mbps speed, and half or full duplex mode with its link partner (a hub, for example). It also can be widely used in most modern Operating System.