M.2 A+E RTL8111F Gigabit Ethernet adapter, supports 10/100 / 1000Mbps full-duplex/half-duplex adaptive network.It supports sending gigabit super long frames, and can bidirectional data transmission of up to 1000Mbps.Use it to implement Gigabit networking to the desktop and network performance.Backwards compatible with 10/100BASE-T , so it can be plugged into any existing network using a -5 cable.It is suitable for multiple market segments and emerging applications such as desktops, workstations, servers, communication platforms and embedded applications.product features :Bus Type: M.2 A/E Key 2230Integrated 10/100/1000M transceiverHigh Performance 1000BASE-T Ethernet Controller CardBackward compatible with 10/100BASE-T network 10/100/1000Mbps data rate auto-negotiation operationCompatible with existing -5 UTP cablesFully compliant with IEEE802.3, IEEE802.3u, IEEE802.Supports half/full duplex mode and 802.3x flow controlSupport IEEE802.1P Layer2 priority encodingSupports IEEE 802.1Q VLAN taggingTransmit/receive on-chip buffer supportSupports jumbo frames of 9K bytes detection and automatic correction operationsSupport power down/link power savingWake-on-LAN and Remote supportStandard and low chassis supported1 RJ45 Gigabit LAN portChipset: Realtek RTL8111FSystem Requirements:, Win 7/Win 8/Server 2008/Win 8.1/Server 2012/2016, Win 10 32- 64bit, LinuxThere is an available M.2 A+E KEY slot on the motherboardsize:22x30MM Material:PCBcolour:GreenPackage Contents:1 x M.2 A+E RTL8111F-Main Card1 x RJ45 terminal1 x CD-Drive Disc1 x Network Terminal CableOnly the above package content, other products are not included.Note: Light 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.