WD’s My Book Mirror Edition dual-drive storage system automatically mirrors your valuable data for extra protection. USB 2.0 interface and a powerful combination of features make this system the storage solution of choice for photographers, home users, small offices, and anyone looking for extra assurance that their data is safe.

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.

The safest place for your data
Using RAID mirroring technology, this system automatically and continuously duplicates your data. If one drive in this two-drive system ever fails, the system continues to run and your data is safe. How’s that for peace of mind? Learn more about RAID

Automatic and continuous 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.

GreenPower technology logoCooler, quieter, eco-friendlier
Designed to use only WD drives with GreenPower™ technology, this system, with its efficient convection cooling architecture, fan-less design, and power saving mode, is reliably cool, remarkably quiet and consumes up to 33% less power than standard systems.

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.

Capacity Gauge
See at a glance how much space is available on your drive.

User serviceable
Want to upgrade a drive? Simply open the case and replace the existing drive – no screwdriver needed.

Shipping Note: Eligible for shipping to all 50 states

Warranty: 6 Month Western Digital