Iomega 120 GB Desktop Hard Drive (32659) Rotational Speed of 7200 rpm Includes Iomega Automatic Backup and Symantec Norton Ghost 2003 software 1 USB and 2 FireWire Slots Backward Compatible with USB 1.1 Compatible with Windows 98, 98SE, 2000 Professional, Me, XP Home and Professional; Mac OS 8.6 or above