Western Digital My Book Studio Edition II 4TB review

Perfect for data junkies and professionals alike, there's a lot of space in this book

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Our Verdict

Impressive performance, and connection for those who need extra space


  • Great connection options
  • Fast performance
  • Great capacity


  • Flimsy chassis

Western Digital's latest addition to the My Book Studio range is this weighty double-width 4TB tome.

Partitioned and preformatted for your Mac, the Studio Edition II is a one-stop space solution that will appeal to anyone handling large amounts of data on a regular basis.

It isn't a budget drive, though, and while it offers good value, you're going to need to use that space to get the most from it. The key concept for the Studio Edition II is that it isn't just for backup.

The unit is equipped with a bevy of fast connection options; USB 2.0, FireWire 400, FireWire 800 and eSATA. This means you can connect it in the fastest way and use it as an internal hard drive.

By default, the twin 2TB hard drives have been configured as a striped array, giving the full 4TB of space, but the supplied utility makes reconfiguring the drives easy. Those looking for better security can create a 2TB mirrored array and reformat the drive.

Older Macs and Windows 2000/XP can't see drives larger than 2TB, so if you're working in a multi-OS environment that may be the way to go.

The My Book series has always been pleasantly styled, and while a little larger than the standard drives, this double-drive unit continues to be easy on the eye.

But the plastic casing isn't quite robust enough for our liking. Its flexibility will protect it from a few knocks, but when you've got up to 4TB of your precious data held, something a little more solid would be preferred.

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Tech Specs

Product TypeHard Drive Array
Number of Total Expansion Bays2
Number of 3.5" Bays2
Total Hard Drive Capacity Installed4 TB
Number of Hard Drives Installed2
Brand NameWD
RAID Levels1
Host InterfaceFireWire/i.LINK 800, FireWire/i.LINK 400, USB 2.0, eSATA
Green CompliantYes
Green Compliance Certificate/AuthorityRoHS
Height166 mm
Width98 mm
Depth154 mm
ManufacturerWestern Digital Corporation
Product ModelWDH2Q40000
Product NameMy Book Studio Edition II Hard Drive Array
Product LineMy Book Studio Edition II
Manufacturer Part NumberWDH2Q40000E
Manufacturer Website Addresshttp://www.wdc.com
Weight (Approximate)2.63 kg