Feature:1. SUPPORT 2,5G/1000/100MBPS: Adapter Ethernet M.2 A E 2,5G supports 2,5G/1000/100Mbps transmission rate to meet your high-speed network transmission needs. 2. STABLE AND RELIABLE: The M.2 A E do RTL8111F gigabit card supports hardware ECC and hardware CRC functions to provide error correction and data transmission control. 3. STRONG COMPATIBILITY: Compliant with various Ethernet specifications such as IEEE802.3u, IEEE802.3ab and IEEE802.3bz, and supports multiple transmission media. 4. SYSTEM COMPATIBILITY: The driver supports WIN7,8,10,11 and Linux operating systems, suitable for various computer platforms. 5. VERSATILE ADAPTER: The M.2 2,5G Ethernet network card is suitable for many market segments and new applications such as desktops, workstations, servers and communication platforms. . RTL8111F M.2 2.5G Ethernet 2.5G/1G/100M Multi Gigabit JM Specification: Item Type: M.2 2.5G Ethernet Network Card Material: PCB Main chipset: RTL8111H Transmission Media: 1x2,5G RJ45 Port Transmission Rate: 2,5G/1000/100Mbps Network Mode: Supports 2,5G and 1G Lite mode Network topology: support IEEE1588v1, IEEE1588v2, IEEE80.2AS time synchronization Driver support: for Win 7, for Win 8, for Server 2008, for Win 8.1, for Server 2012/2016, for Win 10 32/64bit, for Linux Operating temperature: 0 do 60 ℃ Storage temperature: -20 do 80 ℃ . RTL8111F M.2 2.5G Ethernet 2.5G/1G/100M Multi Gigabit JM How to use: plug and play . RTL8111F M.2 2.5G Ethernet 2.5G/1G/100M Multi Gigabit JM Package List:1 x Network Card . RTL8111F M.2 2.5G Ethernet 2.5G/1G/100M Multi Gigabit JM