CoreParts External USB 2.0 with 2,5" harddrives. 80GB, 80 GB, 2.5", 2.0, 4200 RPM CoreParts External USB 2.0 with 2,5" harddrives. 80GB. HDD capacity: 80 GB, HDD size: 2.5". USB version: 2.0. HDD speed: 4200 RPM