The Iomega® REV 35 GB/90 GB Internal SATA drive is a removable hard disk system that provides portable, high-performance file storage. It offers native storage capacity of up to 35 GB and delivers a high data transfer rate of up to 25 MBps. It offers up to 90 GB compressed storage capacity with 'high' compression on Iomega® Automatic Backup Pro software. The REV drive comes with Iomega® Automatic Backup Pro software that provides a 'set it and forget it' solution to backup your files on a scheduled or continuous basis and at the same time secures your data with its password protection and encryption features.