Description This PCI-Express four or two Gigabit Ethernet Controller card is a high performance 10/10/1000 Base-T Ethernet Lan controller, that supports the PCI Express 1. 1 buss interface for host communications with power management, and is compliant with IEEE 802. 3 ab specification for 1000 Mbps Ethernet. It also supports an auxiliary power auto-detect function, and will auto-configure related bits of the PCI power management registers in PCI configuration space, and is perfect for converting the PCI-Express interface into four Gigabit Ethernet ports. Features amp; details 4 or 2 Gigabit Ethernet ports Klik Varian 10/100/1000Mbps data rate auto negotiation operation Features full duplex mode that doubles the network connections speed Fully compliant with IEEE802. 3, 802. 3U and 802. 3ab Supports WOL (wake-on-lan) function