This USB 3.0 Gigabit 10/100/1000Mbps Ethernet network adapter allows you to add a network interface to your computer via USB. You can replace a faulty internal network card, add a separately routable network interface, and transfer files peer-to-peer over Ethernet. Simply plug the adapter into a USB 3.0 port on your computer and start transferring large video, audio, and graphic files between your workstation and the network.