Western Digital 1TB My Book™ Pro Edition™ II

Western Digital's My Book Pro Edition II dual-drive external storage system combines up to 1 TB of storage, versatile RAID capability, backup and system recovery software, triple-interface, user-serviceability and a 3-year warranty to make it the preeminent storage system in its class. Use it to archive vast photo libraries or edit and exchange massive audio/video projects. Edit multiple streams of video without dropping frames in RAID striped mode, or dedicate half the capacity for mirroring and automatically and instantaneously back up data every time you save it.