Toshiba PH3064U1EXB 640GB Portable USB Hard Drive Toshibas Desktop External Hard Drive makes computer backup simple. Our Drive offers you both extra space and a comprehensive backup solution for your digital files. The slim design and small footprint also save your desk space both at work and at home. Just a few clicks and you are on your way to creating a digital safety net to help protect your files.With Toshibas Desktop External Hard Drives, you will enjoy storage space for even the largest digital libraries. Our 640GB Drive is capable of storing up to 128,000 digital photos, or 160,000 digital music files, or 240 hours of downloaded digital movies. With our dual connectivity design, you can choose between the USB interface or the faster eSATA interface for your data transfer needs. Our Drive also includes a built in OnOff switch allowing you to conveniently power down your drive when not in use. Toshibas Desktop External Hard Drives include a comprehensive, yet easy to use, software that backup, recover, and sync your files. The software runs directly from the drive without requiring installation on your computer. Bi directional synchronization helps keep your files on multiple computers up to date. You can even schedule your backup and sync tasks to automatically run at your desired day and time.File and folder backup or complete system backup, it is your choice. Choose between backing up your files and folders, backing up your startup disk, or backing up your entire computer for the most comprehensive coverage. The Drive Monitor will monitor your Toshiba drive and let you know when it is getting full. Recovering a file or your entire computer is simple. Click the restore button and you can recover a file or folder, boot to your Toshiba Desktop External Hard Drive and it will restore your entire computer, Windows only.