Buffalo Technology 300GB Portable USB 2.0 Hard Drive 5400RPM with Turbo USB Portable Hard Drive offers a compact, lightweight, shock resistant storage solution that fits in your pocket. Store, backup and transport digital images, music and other files without taking up room on your computer's main drive. With TurboUSB technology, MiniStation's transfer rates are up to 64% greater than those of standard 4200RPM portable hard drives.