Bus Type: PCI Express 1.1 (2.5 GT/s)With Low ProfileCompatible with PCI-E 1X,4X,8X,16X slotSupport Windows 2003 Server/vista/Virtual Server 2005,Red Hat Enterprise Linux*4 or Later,Professional 9.2 or Later,FreeBSD 5.X or LaterSupport PEXTo serve our customers with wider range of products, we are committed to offering various types of excellent quality fiber-optic products to fulfill different demands of the industry. If you are interested in products which are not shown in our online catalog, please let us know! Manufacturer Part Number: EXPI9301CTBLK Product Type: Gigabit Ethernet Card Network Technology: 10/100/1000Base-T Host Interface: PCI Express Interfaces/Ports: 1 x RJ-45 Features:Intel 82574L Gigabit Ethernet Controller: High performance and reliability; low powerData Rate Supported per Port: 10, 100 & 1,000 MbpsBus Type: PCI Express 1.1 (2.5 GT/s)Bus Width: x1 PCI Express operable in x1, x4, x8, x16 slotsBus Speed (x1, encoded rate): 2.5 Gbps -directional; 5 Gbps bi-directionalConnectors: RJ-45Interrupt Levels: INTA, , -XIEEE Support: 802.3zTypical Power Consumption: 1.9WLED Indicators: LINK/ACTIVITY LED: off=NO LINK; on=LINK; blinking=ACTIVITY SPEED LED: off=10 Mb; green=100 Mb; yellow=1000 MbDimension(WxLxH): 2.181 x 4.696 x 4.725 inch / 5.53 x 11.92 x 12 cmPlug and playColour:greenMaterial:ABSPackage Contents:1 * Network Card1 * Short Film1 * CDOnly 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.