Support existing -5 UTP with automatic crossover detection Fully compliant with PCI-Express Base Specification Revision 1.1 Single- (x1) PCI-Express with throughput up to 2.5Gbps Compatible with PCI-E Mini Card Electromechanical specification revision 1.2 Compatible with Half size Mini card type form factor Fully Plug and Play compatible A high performance 1000BASE-T Ethernet controller card Backwards compatible to 10/100BASE-T networking 10/100/1000Mbps data rate auto negotiation operatio Compatible to existing -5 UTP Fully compliant with IEEE 802.3, 802.3u, 802. Supports full duplex flow control (IEEE 802.3x) Supports IEEE 802.1P Layer 2 Priority Encoding Supports IEEE 802.1Q VLAN tagging Supports jumbo frame to 9K bytes Crossover Detection and Auto Correction operation System Requirements Windows ME,98SE, 2000, XP, Vista, 7 and 8 32-/64-bit Windows Server 2003, 2008 and 2012 32 -/64-bit Linux, DOS 10.4.X or above Colour:Photo Color Material:PC+metal Package Contents: 1 x Mini PCI-e network card 1 x rj45 port baffle with cable Only the above package content, other products are not included. Note: Light reflection 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.