PCI Express Gigabit Ethernet card, is a high-performance 10/100/1000M BASE-T Ethernet LAN Designed with Realtek RTL8111E chipset, it is Perfect for home and office use It provides a low-cost solution for connecting high-speed local area networks, with data transfer rates: up to 1000Mbps over a set of 4 twisted-pair copper wires for a long distance of 100 meters It is 100 times faster than 100/100BASE-T systems and 100% fully backward compatible It can be easily plugged into almost any existing CAT-5 cabling network Compliant with PCI Express Revision 1 1, 1-(X1) bus interfaceHigh-performance 1000BASE-T Ethernet controller card, backward compatible with 10/100BASE-T networks 10/100/1000Mbps 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-upSupport 1x RJ45 Gigabit LAN portStandard and low profile chassis supportedNetwork card size: 8 1 x 4 7CMMaterial:PCBcolour:greenPackage Contents:1 * PCI-E RTL8111E Gigabit Ethernet network card1 * Drive 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