PCI Express Gigabit Ethernet card, is a high-performance 10/100/1000M BASE-T Ethernet LAN. Designed with RTL8111F+ASM1184e chipset, it is very suitable for home and office use. 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. 100 times faster than 100/100BASE-T systems and 100% fully backward compatible. Can be easily plugged into almost any existing CAT-5 network.Compliant with PCI Express Revision 1.1, 1- (X1) bus interface High-performance 1000BASE-T Ethernet controller card, backward compatible with 10/100BASE-T networks 10/100/1000Mbps data rate auto-negotiation operation Compatible with existing CAT-5 UTP cables Fully compliant with IEEE802.3, IEEE802.3u, IEEE802. Supports half/full duplex mode and 802.3x flow control Support IEEE802.1P Layer2 priority encoding Supports IEEE 802.1Q VLAN tagging Supports jumbo frames up to 9K bytes Transmit/receive on-chip buffering support detection and automatic correction operations Power down/reduce power consumption Wake-on-LAN and Remote support 4 x RJ45 Gigabit LAN ports Standard and Slim Forms Supported technical parameter Applicable network: Gigabit Ethernet Main controller: RTL8111F+ASM1184e Bus Type: PCI Express X1, Ver 1.1 Media interface: RJ45, copper cable Transmission rate: 10/100/1000Mbps Network topology: IEEE 802.3, IEEE 802.3u, IEEE 802., IEEE802.1P, IEEE 802.1Q VLAN10Base-T /100Base-Tx /1000Base-T Management functions: support VLAN aggregation, remote (), soft routing and other functions : Windows 98SE / ME/Server 2000 / XP / Server 2003 / Vista / Win 7 /Server 2008 /Win 8/ Win 8.1 / Win 10 (32&64bit), Linux, DOS Colour:green Material: PCB Package Contents: 1 x Network Card 1 x Short Iron Piece 1 x CD Only the above package content, other 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.