Iomega REV 70GB USB 2.0 Backup Kit with a REV 70GB drive, disks and EMC Retrospect Express software includes everything needed to create an automatic backup schedule to keep critical data safe. REV is more reliable, easier to use, 8 times faster, plus up to ? the price of entry-level tape solutions. REV is scalable, high performance, storage system with removable disks that allow users to easily add storage as needed or transport files off-site.