Tripp Lite's U236-000-R USB 2.0 Ethernet Adapter allows your computer to instantly connect to a 10/100Mbps network through a USB port - no need to open up your computer case to add an internal Ethernet card. The adapter's compliance with USB 2.0 (480Mbps) ensures true 10/100 Mbps network speed without any compromise. Furthermore, the adapter is compact and is USB bus-powered; requires no external power adapter.