Product Codes: 4-Port PCI-E Gigabit Ethernet Network Card Bus type: PCI- X1 Compatible: PCI-E 4x, PCI-E 8x, PCI-E16x Connectors: Four RJ-45 Copper Wiring: Category-5, unshielded twisted pair (UTP) Bus Type: PCI 21 (5GT/s) Bus Speed (MHz).Width: 4- PCI , operable in x4, x8 and x16 slots. Data Rate(s) Supported per Port: 10, 100 and 1,000-Mbps IEEE Standard/Network Topology: 10BASE-T, 100BASE-TX, 1000BASE-T Applicable network type: Gigabit Ethernet Applicable fields: Server LEDs: 8 (1/port, link and speed) solid and blinking Full-height and low-profile, screw-on brackets included with each adapter Operating Systems: Windows Server *, Windows Server *, Windows 8*, Windows Server 2008 *, Windows 7*, Windows Server 2008*, Windows Vista*, Windows Server 2003 *, Windows Server 2003*, Windows XP , Linux* Stable Kernel version 3x, 26,x, Red Hat Enterprise Linux* 5, 6, SUSE Linux Enterprise Server* 10, 11, FreeBSD 9*, VMware ESX/ESXi. Colour:green Material:PC+Metal Package Contents: 1 * ethernet card 1 * 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.