Massive capacity
With up to 4TB of capacity, you'll have all the room to keep your favorite photos, videos, music and important files.

Automatic backup software
WD Backup works quietly in the background to help protect your data with minimal resources from your PC. Set your own schedule to back up updated files or new folders automatically. You can even save your files to the cloud with Dropbox™.*

*Dropbox™ account required for cloud back up. Cloud services may be changed, interrupted, or terminated at any time. Policies may vary by country and individual cloud service.
Learn more about WD Backup

System-level backup
Acronis True Image WD Edition backs up your files on a system level, so a copy of your entire operating system, applications, settings and files are always close at hand.
Learn more about Acronis True Image

Password protection for encrypted privacy
By creating a password of your own, you get immediate peace of mind knowing your data is safe from unauthorized access. It's equipped with 256bit AES hardware encryption that operates at the speed of the drive—saving you time.

Universal connectivity
My Book is equipped with USB 3.0 connectivity, providing ultra-fast file transfers and improved power management. My Book is also backwards compatible with USB 2.0 devices.

WD quality inside and out
We understand the importance of your data. For years, millions of people worldwide have trusted their data to WD hard drives, and our first concern is keeping that data safe.