Western Digital My Book Thunderbolt Duo 4tb External Dual Hard Drive With Raid

external_hard_drive_0u1WD My Book Duo RAID1 WARNING

Note Compatibility may vary depending on user’s hardware configuration and operating system. Western digital my book thunderbolt duo 4tb external dual hard drive with raid thunderbolt technology offers performance, simplicity and flexibility. We offer a full host of solutions. My Book Thunderbolt Duo dual-drive storage system delivers the optimum fusion of performance and capacity.