Product Codes: 4-Port PCI-E Gigabit Ethernet Network CardBus type: PCI-Express X1Compatible: PCI-E 4x, PCI-E 8x, PCI-E16xConnectors: Four RJ-45 CopperWiring: Category-5, unshielded twisted pair (UTP)Bus Type: PCI Express 2.1 (5GT/s)Bus Speed (MHz).Width: 4- PCI Express, operable in x4, x8 and x16 slots.Data Rate(s) Supported per Port: 10, 100 and 1,000-MbpsIEEE Standard/Network Topology: 10BASE-T, 100BASE-TX, 1000BASE-TApplicable network type: Gigabit EthernetApplicable fields: ServerLEDs: 8 (1/port, link and speed) solid and blinkingFull-height and low-profile, screw-on brackets included with each adapterOperating Systems: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*, VMware ESX/ESXi.Colour:greenMaterial:PC+MetalPackage Contents:1 * ethernet card1 * BracketOnly 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.