U227-FT3-R is a 3-port USB 2.0 hub, that can also be used to transfer files from one computer to another, via their USB ports. Plug and Play...no software to load. Use as a hub only, or attach the USB to mini USB cable to create transfer link. Quickly and easily exchange photos, music, movies, applications, and other files between the two computers. Flashing LED's let you know when the file transfer functions are in use.