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WD My Book Duo 4TB (2x2TB) External RAID Storage Array, Up to 5 Gb/sec (USB3), RAID 0/1, JBOD, 256-Bit AES Encryption

Transfer, save and protect your photos, videos, music and other massive files to free up valuable space on your computers. Featuring blazing-fast transfer speeds, encrypted hardware RAID and comprehensive local and cloud backup options, the Western Digital My Book Duo 4TB External RAID Storage Array is the ultimate storage solution offering the capacity and security you need.

Dual-drive performance with up to 290 MB/s data transfers
Designed for performance, you can transfer your entire media collection onto My Book Duo with ultra-fast transfer speeds.

Speed and security with hardware encrypted RAID
256-bit AES hardware encrypted RAID provides maximized bandwidth for sustained performance and reliability while encrypting your important data for ultimate security

Multiple data management options
Preconfigured to RAID 0 for maximum performance and capacity out-of-the- box, with the option of setting RAID 1 for maximum protection or JBOD to use the drives individually

Complete backup solutions to secure your data from loss
My Book Duo offers a comprehensive suite of backup options to help protect your media collection and important files with local, cloud and system-level backup.

Ultimate security with password protection
Keep your private stuff private. Protect your sensitive data from unauthorized access with password protection.

Enhanced Capacity
With large storage capacities, you can consolidate and save your entire photo, video and music collection and other important documents on this storage vault.

Expand capacity and organize your workspace
Two additional USB 3.0 ports allow you to connect an additional drive for increased storage capacity, with the other port available to simultaneously charge your smartphones, tablets or other USB devices.

Configure, manage and diagnose your drive
With WD Drive Utilities, you're in complete control. With this software you can run drive diagnostics, manage RAID configurations, erase and format your drive, register your drive and more.

Easy to set up, easy to use
Ready to use right out-of-the-box with pre-formatted NTFS for Windows OS users. The drive can also be easily reformatted for Mac OS X.

Ultra-reliable with WD Red drives
My Book Duo ships with integrated WD Red hard drives, designed and tested for reliability and optimal performance in small RAID environments.

User serviceable enclosure
Ready to upgrade your drives to expand storage capacity? With the simple push of a button, pop open the enclosure and insert new drives with ease. No tools required.