Ugreen 20255 USB 3.0 gigabit 10/100/1000Mbps ethernet network adapter enables you to add a network interface to your computer via USB. It is backward-compatible with all existing 10/100 networks. With it , you could replace a broken internal network card, add a separately routable network interface, and transferring files peer-to-peer over Ethernet. Simply insert the adapter into a USB 3.0 port on your computer and begin to transfer large video, audio, and graphics files between your workstation and the network.