ALFA AUE2500C is USB-C 3.1 to 2.5G BASE-T Ethernet Adapter equipped with a 2.5G BASE-T RJ-45 port, providing up to 2.5Gbps using existing Cat5e or higher cable. ALFA AUE2500C features a USB-C 3. 1 interface that connects a USB-C enabled computer to a high-speed 2.5GBASE-T network. Please note this is not the same as a standard USB port, your computer must have a USB-C port to be compatible. This is compatible with Microsoft Windows 7, 8, and 10. It also works with Mac OS 10.13 or later, Chrome, Android, & Linux.