Product Codes: 4-Port PCI-E Gigabit Ethernet Network Card<br> Bus type: PCI- X1<br> : PCI-E 4x, PCI-E 8x, PCI-E16x<br> Connectors: Four RJ-45 Copper<br> Wiring: Category-5, unshielded twisted pair (UTP)<br> Bus Type: PCI 2.1 (5GT/s)<br> Bus Speed (MHz).Width: 4- PCI , operable in x4, x8 and x16 slots.<br> Data Rate(s) Supported per Port: 10, 100 and 1,000-Mbps<br> IEEE Standard/Network Topology: 10BASE-, 100BASE-TX, 1000BASE-<br> Applicable network type: Gigabit Ethernet<br> Applicable fields: Server<br> LEDs: 8 (1/port, link and speed) solid and blinking<br> Full-height and low-profile, screw-on brackets included with each adapter<br> Operating Systems:<br> Windows Server 2012 *, Windows Server 2012*, Windows 8*, Windows Server 2008 *, Windows 7*, Windows Server 2008*, Windows Vista*, Windows Server 2003 *, Windows Server 2003*, Windows XP Professional, Linux* Stable Kernel version 3.x, 2.6,x, Red Hat Enterprise Linux* 5, 6, SUSE Linux Enterprise Server* 10, 11, FreeBSD 9*, ESX/ESXi.<br> Colour:green<br> Material:PC+Metal<br> Package Contents:<br> 1 * ethernet card<br> 1 * Bracket<br> Only the above package content, other products are not included.<br> Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.