LaCie 40GB External Firewire&USB2 Porsche P2 Portable hard drive 4200rpm bus powered (300764) Lightweight, portable hard drive with Firewire (1) and USB 2.0 (1) ports 40 GB drive, 4200 RPM USB bus-powered, no cumbersome AC adapter is required True plug-and-play convenience No software to configure on Windows 2000, Windows XP and Mac OS X