Iomega REV® 70GB USB 2.0 Backup Drive with Removable Disk. Hard drive capacity: 70 GB, Hard drive rotational speed: 4200 RPM, Hard disk average seek time: 12 ms. Weight: 390 g, Width: 110 mm, Depth: 155 mm. Compressed capacity: 140 GB, Disks included quantity: 1 pcs, Mean time between failures (MTBF): 400000 h. Package dimensions (WxDxH): 99 x 237 x 264 mm