Iomega 160 GB External Hard Drive (33082) 5,920 hours of your favorite music, 240 hours of digital video from your vacation, or 640,000 photos 7200 RPM USB 2.0 and 1.1 compatible Includes Iomega Automatic Backup and Symantec Norton Ghost disaster recovery software Compatible with Windows 98, 98SE , 2000 Professional, Me, XP Home, XP Professional; MAC OS 8.6 or above with Mac OS USB v1.3.3 or above (includes all versions of OS X)