My Book® Thunderbolt™ Duo, dual-drive storage system featuring revolutionary Thunderbolt™ technology, sets new standards for data transfer speeds and workflow flexibility in high-capacity storage.

Move data at unprecedented speeds - Video editors and other digital media professionals can do more work in less time with the ground-breaking data transfer speed of the Thunderbolt ports on My Book Thunderbolt Duo. It offers the indisputably fastest way to get information to and from your external drive. Finally, a drive that can keep up with your creativity.

Dual drive RAID storage system - User selectable RAID or JBOD modes. When set to RAID 0 (striping), My Book Thunderbolt Duo offers the performance you need when designing or editing graphics-intensive media files. When set to RAID 1 (mirroring), this drive provides double safe data protection by automatically generating a duplicate copy of your data. Set to JBOD (Just a Bunch Of Disks) to use as two individual drives and select between HFS+J or ExFAT per disk. Ideal for running Windows OS on a Mac.

Dual Thunderbolt ports enhance workflow efficiency - Daisy chain up to seven devices or peripherals using the two Thunderbolt ports to achieve maximum workflow efficiency and productivity.

High-speed multi-tasking - The revolutionary bi-directional Thunderbolt technology delivers unmatched speed for multi-tasking while video editing, 3D rendering and completing other graphics-intensive projects.

User-serviceable - Want to replace a drive? Simply open the case and exchange the existing drive - no tools needed. If you fill up a drive, you can simply remove it and replace it with a fresh drive and begin saving even more of your creative life.

WD Drive Utilities™ - Register your drive, run diagnostics, manage RAID or JBOD modes and more using WD Drive Utilities.

Cool, quiet operation - Equipped with WD drives, this system is designed to run cool. Lower operating temperatures extend the life of the drive and improve data reliability.

Note: No Thunderbolt cables are included with this product.