The Iomega REV ATAPI Backup Kit is a revolutionary removable hard disk system, which makes backing up and archiving easy by providing everything needed to keep critical data safe and secure. This professional-level backup kit includes one Iomega REV ATAPI drive and six Iomega 35GB REV disks - one disk for each weekday backup and one disk for full system backup and disaster recovery - all at a value only Iomega can provide.