Archos 500332 QDisk External USB 2.0 7200 RPM 60 GB Hard Drive for PC or Mac Slightly larger than a deck of cards, and weighs a mere 6.5 ounces Your choice of connection in any given situation - USB 2.0 or 1.1 (the latter at a slower transfer rate) Connection to virtually any USB enabled is a snap Copy files to and from the drive using mirroring software Hot swappable ? no need to shut down and restart the computer