The Iomega REV 35GB/90GB drive is a revolutionary removable hard disk system which is more efficient and reliable than traditional tape systems, while providing portable, high-performance file storage. Iomega REV drives allow you to back up and restore up to 8 times faster than tape (compared to DDS4), move and copy files in seconds with drag-and-drop, and secure your data with password protection. Included professional-level backup software offers automatic file backup, full system image backup.