Western Digital 60 GB Passport 2.0" External Hard Drive Cool-running hard drive and specially designed case make this a cool, safe place for your data Easy to use--simply plug and go Maximum protection from data loss with rugged, protective case and high shock tolerance Small and light with elegant, energy-absorbing, soft-touch case USB bus powered means no separate power supply needed for most systems Compatibility: Windows 98SE/Me/2000/XP MAC OS v9.2.2 or mac OS X 10 1.5+