Welcome to the store! Product Codes: 4-Port PCI-E Gigabit Ethernet Network Card Bus Type: PCI-Express X1 Compatible: PCI-E 4x, PCI-E 8x, PCI-E16x Connectors: Four RJ-45 Copper Cabling: Category 5, Unshielded Twisted Pair (UTP) Bus Type: PCI Express 2.1 (5GT/s) Bus Speed (MHz).Width: 4- PCI Express, usable 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 flashing Full-height and low-profile, screw-on brackets are included with each adapter. Operating 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 version 3.x, 2.6.x, Enterprise Linux* 5, 6, SUSE Linux Enterprise Server* 10, 11, FreeBSD 9*, ESX/ESXi. Color: Green Material: PC+Metal Package Contents: 1 * Ethernet Card 1 * Bracket Only the above package contents are included; other products are not. Note: Light photography and different displays may cause the color of the item in the picture to differ slightly from the real item. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you encounter any issues after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide you with the best solution!