The My Book drive's built-in 256-bit AES hardware encryption with WD Security software helps keep your content private and safe. Just activate password protection and set your own personalized password. 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, WD Security software and is compatible with Apple Time Machine. For quick, convenient access, you can set WD Security to automatically unlock the drive on your computer, saving you the hassle of keying in your password every time. The bold, vibrant design of My Book is sure to stop you in your tracks. It is desktop storage reimagined and gives you the opportunity to express yourself! 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 Western Digital My Book 4TB Desktop External Hard Drive:

• 4TBExpanded digital storage
• USB 3.0Flexible interface with fast transfer speeds up to 5Gbps
• 5400RPMFor fast access and performance
• Plug-n-play

• PhotosUp to 2,666,000
• MusicUp to 1,142,000 songs
• VideoUp to 2,100 hours of video

• Windows XP, Windows Vista, Windows 7, Windows 10
• Mac OS X Tiger, Leopard, Snow Leopard, Yosimite, El Capitan (requires formatting)

• Hard drive
• USB cable
• Software
• Owner's manual
• Power adapter
• Quick Start Guide

Product Dimensions:

1.90 x 6.70 x 5.50 in

3.00 lbs

Shipping Dimensions:

9.00 x 3.10 x 8.10 in