LaCie Mobile Hard Drive, Design by F.A. Porsche 100GB 5400RPM USB 2.0 and FireWire. Hard drive capacity: 100 GB, Hard drive rotational speed: 5400 RPM, Hard drive interface: USB 2.0, FireWire 400. Weight: 200 g. Minimum processor: Intel Pentium II 350MHz / iMac, Power Mac G3, Power requirements: Bus powered or External AC adapter (optional), Read seek: 12 ms