Compliant with PCI Express Revision 1.1, 1- (X1) bus interfaceHigh-performance 1000BASE-T Ethernet controller card, backward compatible with 10/100BASE-T networks10/100/1000Mbps data rate auto-negotiation operationCompatible with existing CAT-5 UTP cablesFully compliant with IEEE802.3, IEEE802.3u, IEEE802.Supports half/full duplex mode and 802.3x flow controlSupport IEEE802.1P Layer2 priority encodingSupports IEEE 802.1Q VLAN taggingSupports jumbo frames up to 9K bytesTransmit/receive on-chip buffering supportCross detection and automatic correction operationsPower down/reduce power consumptionWake-on-LAN and Remote Wake-up support2 x RJ45 Gigabit LAN portsStandard and low profile chassis supportedPCI Express Gigabit Ethernet card, is a high-performance 10/100/1000M BASE-T Ethernet LAN. Designed with RTL8111F+1182e chipset, it is very suitable for home and office use. It provides a low-cost solution for connecting high-speed local area networks, data transfer rate: up to 1000Mbps, through a set of 4 twisted pair copper wires, the long distance is 100 meters. It is 100 times faster than 100/100BASE-T systems and is 100% fully backward compatible, so it can easily be plugged into almost any existing CAT-5 cabling network.size:8.2x6.7CMMaterial:PCBcolour:greenPackage Contents:1 * PCI-E RTL8111F Dual-port Gigabit LAN1 * Driver-CD1 * Short iron pieceOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.