The manhattan usb 20 fast ethernet adapter is a compact high performance network adapter that allows you to upgrade your desktop or notebook computer to operate at 10100 mbps speeds on the lan because it attaches to one of your computers usb connectors there is no need to open up your pc and the user friendly setup software makes installation quick and easyfaster throughputthe usb 20 fast ethernet adapter allows you to connect to the network at 100 mbps fast ethernet throughput speeds