SM-LG8111A-BT is a 10/100/1000M adaptive Gigabit Ethernet card. It fully complies with IEEE 802.3 10Base-T Ethernet standard, IEEE 802.3u 100MBase-TX Fast Ethernet standard and IEEE 802. 1000MBase-T Gigabit Ethernet standard, and supports IEEE 802.3x full-duplex flow control. SM-LG8111A-BT adopts M.2 2260 standard interface (22x60x6.1mm) to sufficient bandwidth. The transmission rate of the M.2 B+M Key interface is 2.5Gb/s, and the user can provide an RJ-45 network interface for the system through a patch cord, front or back daughter card. It has a network speed of up to 1000Mbps in full duplex, supports detection and automatic correction, and is backward compatible with 10/100BASE-T network 10/100/1000MbPS data rate auto-negotiation operation compatible with existing CAT-5 UTP cables, Users can realize convenient, fast, simple and reliable connections. compatibility: ME, 98SE, 2000, XP, Vista, Win 7, Win 8 and Win 10 32/64bit, Server 2003, 2008, 2012 and 2016 32/64bit, Linux, DOS 10.4.X or above Features Comply with M.2 B+M KEY NVMe bus interface specification Highperformance 1000BASET Ethernet controller card Backward compatible with 10/100BASET network Support jumbo frames to 9K bytes 10/100/1000Mbps data rate autonegotiation operation Compatible with existing CAT5 UTP cables Fully comply with IEEE802.3, IEEE802.3u, IEEE802. Support half/full duplex mode and 802.3x flow control Support IEEE802.1P Layer2 priority encoding Support IEEE 802.1Q VLAN tag Send/receive onchip buffer support detection and automatic correction operation Support power off/link power saving WakeonLAN and remote function support parameter Network type: M.2 to Gigabit Ethernet Bus type: M.2 2260 standard interface, 2.5Gb/s Main chipset: Realtek RTL8111F Transmission medium: 1 x RJ45 electrical port Transmission rate: 10/100/1000Mbps Material:PCB colour:Green Package Contents: 1 x M.2 Gigabit Ethernet card Only 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.