Support 10/100/1000Mbps full-duplex/half-duplex adaptive network. It supports sending gigabit super long frames, and can up to 1000Mbps bidirectional data transmission. Use it to implement gigabit networking to the desktop and improve network performance. It is backward compatible with 10/100BASE-T , so it can be plugged into any existing network using -5 cables. Suitable for multiple market segments and emerging applications such as desktops, workstations, servers, communication platforms and embedded applications. Bus Type: M.2 A/E Key 2230 Integrated 10/100/1000M Transceiver High Performance 1000BASE-T Ethernet Controller Card Backward compatible with 10/100BASE-T networks 10/100/1000Mbps data rate auto-negotiation operation Compatible with existing -5 UTP cables Fully compliant with IEEE802.3, IEEE802.3u, IEEE802. Support half/full duplex mode and 802.3x flow control Support IEEE802.1P Layer2 priority coding Supports IEEE 802.1Q VLAN tagging Transmit/receive on-chip buffer support Supports 9K jumbo frames Crossover detection and automatic corrective operation Support power down/link power saving Wake-on-LAN and remote support Supports standard and low- chassis 1 RJ45 Gigabit LAN port Chipset: Realtek RTL8111G System requirements: , 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 Colour:green Material:PCB Package Contents: 1 x Main Card 1 x RJ45 Terminal 1 x CD 1 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.