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WD My Book Thunderbolt Duo WDBUTV0040JSL-NESN DAS Array - 2 x HDD Supported - 4 TB Installed HDD Capacity - 2 x Total Bays - Thunderbolt - 0, 1, JBOD RAID Levels External

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Product Description


My Book Thunderbolt Duo dual-drive storage system delivers the optimum fusion of performance and capacity. This drive offers two Thunderbolt ports delivering the revolutionary data transfer speeds available only with Thunderbolt technology. Daisy chain multiple devices through My Book Thunderbolt Duo and enjoy nearly unlimited flexibility and performance in your creative life.

  • Host Interface Thunderbolt
  • RAID Levels 0, 1, JBOD
  • Product Type DAS Array
  • Manufacturer Part Number WDBUTV0040JSL-NESN
  • Manufacturer Western Digital Corporation
  • Product Model WDBUTV0040JSL-NESN
  • Product Name My Book Thunderbolt Duo 4 TB Dual Drive High-speed Storage with RAID
  • Product Line My Book Thunderbolt Duo
  • Brand Name WD
  • Number of Total Expansion Bays 2
  • Package Contents
    • My Book Thunderbolt Duo 4 TB Dual Drive High-speed Storage with RAID
    • Thunderbolt Cable
    • AC Power Adapter
    • Quick Install Guide
  • Environmentally Friendly Yes
  • Environmental Certification RoHS
  • Environmental Certification WEEE
  • Weight (Approximate) 4.74 lb
  • Form Factor External
  • Height 6.5"
  • Width 3.9"
  • Depth 6.2"
  • Total Hard Drive Capacity Installed 4 TB
  • Number of Hard Drives Supported 2
  • Limited Warranty 3 Year


BrandWestern Digital
ManufacturerWestern Digital

Frequently Asked Questions

What are my shipping options for this product?

Shipping Options:

Standard -
Usually delivers in 3 - 10 business days after shipment

How do product returns work?

Return Policy:
We do not process any returns or exchanges. All issues/tech support must go through the manufacturer within your 6 month warranty 

Tax Policy:
California state residents are subject to sales tax.