Iomega Platinum Series 250GB External Hard Drive with Dual Interface (33115) Stores up to 250GB -- enough for 2,960 hours of music, 640,000 photos and 240 hours of Video Back up critical Data automatically with included Iomega Automatic Backup software Incredibly fast transfer speeds through FireWire and USB 2.0 Space-saving stackable configuration Software included - Iomega Automatic Backup and HTML User Manual with Help Files