Bus Type: PCI Express 1.1 (2.5 GT/s)With low profileCompatible with PCI-E 1X,4X,8X,16X slotSupports Windows 2003 Server/vista/Virtual Server 2005,Red Hat Enterprise Linux*4 or later,Professional 9.2 or later,FreeBSD 5.X or laterSupports PEXTo serve our customers with a wider range of products, we are committed to offering various types of fiber optic products of excellent quality to meet different industry requirements. If you are interested in products 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 powerSupported data rate per port: 10, 100 & 1,000 MbpsBus Type: PCI Express 1.1 (2.5 GT/s)Bus Width: x1 PCI Express can be used in x1, x4, x8, x16 slotsBus Speed (x1, encoded speed): 2.5 Gbps -unidirectional; 5 Gbps bidirectionalConnections: RJ-45Interrupt Levels: INTA, , -XIEEE Support: 802.3zTypical Power Consumption: 1.9WLED Indicators: LINK/ACTIVITY LED: off=NO LINK; on=LINK; flashing=ACTIVITY SPEED LED: off=10 Mb; green=100 Mb; yellow=1000 MbDimension(WxLxH): 2.181 x 4.696 x 4.725 inches / 5.53 x 11.92 x 12 cmPlug and playColor:greenMaterial:ABSPackage Contents:1 * Network Card1 * Short film1 * CDEnd only 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 allowed measurement error is +/- 1-3 cm.