Western Digital My Book Thunderbolt Duo External Dual Hard Drives (Manufacturer Refurbished)

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Western Digital My Book Thunderbolt Duo External Dual Hard Drives (Manufacturer Refurbished)

These hard drives are ideal for Macs, because they transfer data back and forth via dual Thunderbolt ports, whether that data is full-length movies, work projects, or the thousands of memes that you will one day make viral.

Do More with High-Speed Thunderbolt

Whether you’re uploading 4K video or backing up your entire photo library, Thunderbolt connectivity helps you move files to and from your computer smoothly. When connected, the Thunderbolt ports support data transfer speeds of up to 10GB/s—double the speed of USB 3.0—in both directions.

Dual-Drive System

Because there are dual drives built in, you can place all your files on one half, then back them up to the other half. You can also use each half individually or combine them into one megadrive for the fastest data retrieval.

Daisy-Chain Devices

The hard drive can help you daisy-chain up to seven devices such as monitors and media players to create a smooth-operating custom system for creating projects while using minimal cables.


  • Dual Thunderbolt ports for super-fast data transfer (up to 10GB/s)
  • User-selectable RAID0, RAID1, and JBOD modes, depending on whether you want fast performance, data backup, or individual drives
  • Ideal way to run Windows on a Mac
  • Daisy-chain up to 7 devices
  • Built-in WD Drive Utilities to run diagnostics or change modes
  • Formatted for Mac OS X Snow Leopard or Lion
  • Thunderbolt cable not included
  • Comes with AC power adapter
  • Product dimensions and weight:
    • WDBUPB0040JSL (4TB): 6.2”x3.9”x6.5”; 4.75lb.
    • WDBUPB0060JSL (6TB): 7”x6”x4”; 4.75lb.
    • WDBUTV0040JSL (4TB): 6.5”x6.2”x3.9”; 4.98lb.
    • WDBUTV0080JSL (8TB): 6.2”x3.9”x6.5”; 5.07lb.
    • WDBUSK0040JSL (4TB), WDBUSK0060JSL (6TB), and WDBUSK0080JSL (8TB): 6.2”x3.9”x6.5”; 4.75lb.
  • Condition: manufacturer refurbished

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Western Digital My Book Thunderbolt Duo External Dual Hard Drives (Manufacturer Refurbished)

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Steven B. Verified Purchaser
Aug 27th, 2016
Looks like new. works great! Simple set up and very fast with the thunderbolt connection. It comes set up for Raid 0. I changed it to Raid 1 for the redundancy. Using it to store all my music CD's. Saved a bunch of $ buying refurbished.
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