Iomega REV 35/90GB SATA Internal Drive. Hard drive capacity: 35 GB, Write seek: 13 ms, Compressed capacity: 90 GB. Weight: 424 g, Height: 25.4 mm, Width: 146 mm. Bundled software: Iomega REV System Software Iomega Automatic Backup Pro. Minimum hard disk space: 100 MB, Minimum processor: 1GHz, Minimum RAM: 128 MB