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Review Summary
4TB
Thunderbolt Ports x 2
10 Gb/s (maximum)
Mac OS X 10.6.8 or higher
Computer with Thunderbolt connector
Thunderbolt cable (sold separately)
RAID 0 (max speed)
RAID 1 (data protection/mirror mode)
JBOD (use drives individually)
AC 100 - 240V (47 - 63Hz)
41 to 95deg.F (5 to 35deg.C)
-4 to 149deg.F (-20 to 65deg.C)
3.9 x 6.5 x 6.2" (9.9 x 16.5 x 15.7 cm)
4.73 lbs (2.15 kg)
The WD 4TB My Book Thunderbolt Duo is a dual-drive storage system with two Thunderbolt ports capable of up to 10 Gb/s data transfer rates. The system supports user-selectable RAID 0 and RAID 1 modes, as well as JBOD modes. Plus, since Thunderbolt ports are bidirectional, they afford high-speed multitasking. You can also daisy chain multiple devices or peripherals using the two Thunderbolt ports for better efficiency and productivity. For added convenience, the drives are user-serviceable and the system comes with the WD Drives Utilities software.