Secure your vital data with WD's My Book Mirror Edition dual-drive storage system with RAID Mirroring. With RAID-based continuous data protection, automatic data backup software, and user-serviceability, this is the perfect backup system for your irreplaceable data.It also comes with 2tb/1tb.
The safest place for your data
Using RAID mirroring technology, this system automatically and continuously duplicates your data for the ultimate in data protection. If one drive in this two-drive system ever fails, the system continues to run and your data is safe.
Automatic backup software
Back up your computer - just set it and forget it. Every time you save a change it's backed up and then mirrored on the second drive for the ultimate in data protection.
Easy to set up, easy to use
You're up and running in a few simple steps. WD's intuitive RAID wizard software lets you easily modify your RAID settings.
See at a glance how much space is available on your drive.