Iomega 33745 USB 2.0 250GB Portable Hard Drive Box Contents - Iomega 250GB Portable Hard Drive, USB 1.1/2.0 power cable, Quick Install Guide, Solution CD with software Capacity - 250GB (5400 RPM) 8MB Cache Hard Drive Easy-to-use - USB powered, no external power supply required Ultra portable - fits easily into a shirt or briefcase pocket Secure Professional level backup and disaster recovery included