This is not a standard USB drive, it contains 2 x 250gb drive in raid 1 for backup purposes. Great for photos or other irreplaceable files.
The DriveStation Duo is a quick and easy solution to store, access, back up and transfer your music, photos, videos and other files. Get maximum storage with the increased capacity of two spanning hard drives or the extra security of automatic mirroring in one affordable box.
* Two high speed 7200 RPM SATA hard drives in one
* No need to install drivers with auto setup
* Pre-formatted hard drive for immediate use
* Supports RAID 1 and full capacity spanning modes
* Dual Interface USB 2.0 and FireWire
* Auto power feature turns on and off automatically with your PC
* Easy-to-Use Windows RAID utility for changing RAID modes.