Complete Backup
Equipped with WD Backup software for Windows and Apple Time Machine compatibility for Mac, the My Book desktop hard drive can back up your photos, videos, music, and documents.

Password Protection
The My Book drive’s built-in 256-bit AES hardware encryption with WD Security™ tools helps keep your content private and safe. Just activate password protection and set your own personalized password.

WD Reliability
Millions of people around the world trust their data to My Book desktop storage. Designed to meet WD’s demanding requirements for durability, shock tolerance, and long-term reliability, we back up (pun intended!) the trusted My Book desktop storage with a 3-year limited warranty.

Watch the Power of My Book Come to Life
We live hectic lives and generate tons of digital content. My Book desktop storage has massive storage capacity so you can confidently back up the files that make up your digital life.

Do More With Discovery
Included WD Discovery™ software1 connects to popular social media and cloud storage services, like Facebook, Dropbox, and Google Drive™.2 Import your photos, videos, and docs to the My Book drive to help preserve your online life. WD Discovery can also be used to manage your drive with WD Drive Utilities.

Easy To Use
My Book desktop storage is ready to use out of the box so you can start transferring files, saving your memories and backing up right away. It comes with all the software you need to help protect your data, including WD Backup and WD Security software and is compatible with Time Machine.1

Full Specifications
Capacity
4 TB

Interface
USB 3.0

USB 2.0
Compatibility
Formatted exFAT for out-of-the-box compatibility with Windows and Mac

Operating System:
Windows® 10, Windows 8.1
macOS 10.13+.
May require reformatting for other operating systems
Note: Compatibility may vary depending on user’s hardware configuration and operating system and requires reformatting for Time Machine

Dimensions (L x W x H)
5.48" x 1.93" x 6.72"