Features: Compliant with M.2A+E KEY NGFF bus interface specification -High performance 1000BASE-T Ethernet controller card -Backward compatible with 10/100BASE-T networks. Supports jumbo frame up to 9K bytes, 10/100/1000Mbps data rate auto-negotiation operation -Compatible with existing CAT-5 UTP-cables, achieve convenient, fast, simple and reliable connection. Fully compliant with IEEE802.3, IEEE802.3u, IEEE802.3ab -Supports half/full duplex mode and 802.3x traffic control. Supports IEEE802.1P Layer2 priority encoding, IEEE 802.1Q VLAN tagging. Transmit/receive on-chip buffer support -Crossover detection and auto-correction operation -Support for power-down/link power saving. LAN wake-up and remote wake-up are supported. Specifications: Material: Metal+Printed Circuit Board Cable Length: Approx. 20cm/7.87inch Network-type: M2 to Gigabits Ethernet Bus-type: M2 A+E M2 2230 standard interface Main Chipset: RTL8111E/F Transmission Medium: 1x RJ45 interface Transmission Rate: 10/100/1000Mbps OS: WindowsVista,ME,98SE,2000,XP,Win7,Win8 and Win10 32/64bit, WindowsServer 2003,2008,2012 and 2016 32/64bit Linux,X10.4.X or above Note: Please allow 0-1cm error due to manual measurement. make sure you do not mind before you order. Please allow slight chromatic aberration due to different display resolutions. Package includes: 1x M.2 A+E-Key Single RJ45 Port Adapter Card with Cable