With Low Profile Compatible with PCI-E 1X,4X,8X,16X slot Support Windows 2003 Server/vista/Virtual Server 2005, Enterprise Linux x 4 or Later,Professional 9.2 or Later,FreeBSD 5.X or Later Support PEX To our customers with 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: 82574L Gigabit Ethernet Controller: High performance and reliability; low power Data Rate Supported per Port: 10, 100 & 1,000 Mbps Bus Type: PCI Express 1.1 (2.5 GT/s) Bus Width: x1 PCI Express operable in x1, x4, x8, x16 slots Bus Speed (x1, encoded rate): 2.5 Gbps -directional; 5 Gbps bi-directional Connectors: RJ-45 Interrupt Levels: INTA, , -X IEEE Support: 802.3z Typical Power Consumption: 1.9W LED Indicators: LINK/ACTIVITY LED: off=NO LINK; on=LINK; blinking=ACTIVITY SPEED LED: off=10 Mb; green=100 Mb; yellow=1000 Mb Dimension(WxLxH): 2.181 x 4.696 x 4.725 inch / 5.53 x 11.92 x 12 cm Plug and play Colour:green Material:ABS Package Contents: 2 x Network Card 2 x Short Film 2 x CD 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 measurement allowed error is +/- 1-3cm.