Iomega REV 35/90GB SATA Internal Drive. Hard drive capacity: 35 GB, Hard drive interface: Serial ATA, Access time: 8 ms. Weight: 424 g. Bundled software: Iomega REV System Software Iomega Automatic Backup Pro. Minimum hard disk space: 100 MB, Minimum processor: 1GHz, Minimum RAM: 128 MB