M.2 A+E RTL8111F Gigabit Ethernet Adapter, supports 10/100/1000Mbps full-duplex/half-duplex adaptive networking. It supports the transmission of Gigabit super-long frames and can provide bidirectional data transmission of up to 1000Mbps. Use it to implement Gigabit networking to the desktop and improve network performance. Backwards compatible with 10/100BASE-T systems, so it can be connected to almost any existing network with a -5 cable. It is suitable for multiple market segments and new applications such as desktop computers, workstations, servers, communication platforms and embedded applications. Product Features: Bus Type: M.2 A/E Key 2230 Integrated 10/100/1000M transceiver High-performance 1000BASE-T Ethernet controller card Backwards compatible with 10/100BASE-T networks 10/100/1000Mbps data rate auto-negotiation Compatible with existing -5 UTP cables Fully compliant with IEEE802.3, IEEE802.3u, IEEE802.3 Supports half/full duplex mode and 802.3x flow control Supports IEEE802.1P Layer2 priority encoding Supports IEEE 802.1Q VLAN tagging Transmit/receive on-chip buffer support Supports jumbo frames of 9K bytes detection and automatic correction operations Supports shutdown/link power saving mode Wake-on-LAN and remote support Standard and low-profile chassis supported 1 RJ45 Gigabit LAN port Chipset: Realtek RTL8111F System Requirements: DOS, Win 7/Win 8/Server 2008/Win 8.1/Server 2012/2016, Win 10 32-64bit, Linux There is an available M.2 A+E KEY slot on the motherboard size:22x30MM Material:PCB color:Green Package Contents: 3 x M.2 A+E RTL8111F main board 3 x RJ45 terminal 3 x CD drive disk 3 x network terminal 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.