1. Support existing CAT-5 UTP with automatic crossover detection2. Fully compliant with M.2(A+E) Base Specification Revision 1.13. Single- M.2(A+E) with throughput up to 2.5Gbps4. Compatible with M.2(A+E) Card Electromechanical specification revision 1.25. Compatible with Half size M.2(A+E) card type form factorFully Plug and Play compatibleA high performance 1000BASE-T Ethernet controller cardBackwards compatible to 10/100BASE-T networking10/100/1000Mbps data rate auto negotiation operatioCompatible to existing CAT-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 EncodingSupports IEEE 802.1Q VLAN taggingSupports jumbo frame to 9K bytesCrossover Detection and Auto Correction operationRealtek 8111 chips.System Requirements:Windows ME, 98SE, 2000, XP, Vista, 7, 8, 8.1, 10 32-/64-bitWindows Server 2003, 2008 and 2012 32-/64-bit Linux, for DOS MACOS X 10.4.X or above.Colour:As ShownMaterial:PCB+Plastic+MetalPackage Contents:1 * 1 x M.2(A+E) Gigabit Network Card with Connection CableOnly 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.