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  • WD My Book Thunderbolt Duo 8 TB Dual Drive High-Speed Storage with RAID
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WD My Book Thunderbolt Duo 8 TB Dual Drive High-Speed Storage with RAID

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Price: $640.39 & FREE Shipping
Only 1 left in stock.
Ships from and sold by Beach Audio.
8 TB
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14 offers from $69.00
  • Revolutionary data transfer speeds from Thunderbolt technology
  • Two Thunderbolt ports deliver the speed and flexibility needed for high-speed multi-tasking
  • User-selectable RAID 0/1 for speed or data protection
  • Daisy chain multiple drives for enhanced workflow efficiency
  • User serviceable so you can replace or upgrade a drive without any tools
8 new 1 used from $500.00
$640.39 & FREE Shipping Only 1 left in stock. Ships from and sold by Beach Audio.

Frequently Bought Together

WD My Book Thunderbolt Duo 8 TB Dual Drive High-Speed Storage with RAID + WD My Book Duo 8TB dual-drive, high-speed premium RAID storage
Price for both: $970.38

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Capacity: 8 TB
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Compare to Similar Items


This item: WD My Book Thunderbolt Duo 8 TB Dual Drive High-Speed Storage with RAID
Customer Rating (20) (23) (70) (94)
Price $ 640.39 $ 349.99 $ 461.09 $ 349.00
Shipping FREE Shipping FREE Shipping $ 11.91 FREE Shipping
Sold By Beach Audio Amazing Gizmo Sab Computer Amazon.com
Hard Disk Size 8 TB 2 TB 4096 GB 4 TB
File System HFS+ hfs+ HFS+ Hfs+
Hard Disk Description External External External 2X2TB
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Product Details

Capacity: 8 TB
  • Product Dimensions: 6.2 x 3.9 x 6.5 inches ; 5.1 pounds
  • Shipping Weight: 6.5 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B00F0JXDB4
  • Item model number: WDBUTV0080JSL-NESN
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (20 customer reviews)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
  • Date first available at Amazon.com: October 4, 2013

Product Description

Capacity: 8 TB

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.

Customer Questions & Answers

Customer Reviews

It's very quiet and very fast.
The King
Easy to set up and so far works as I need it to.
Zachary Pomerantz
Update 23 July 2014 So far, no problems.
Amazon Addict

Most Helpful Customer Reviews

19 of 20 people found the following review helpful By Seth LaForge on October 27, 2014
Size Name: 8 TB Verified Purchase
I just connected this drive to my Mac Pro, and it works as advertised. It's also quiet, and drive access for replacement is pretty straightforward.

However, I was surprised to discover that it uses Apple's software RAID for mirroring, rather than implementing hardware RAID directly. Why should you care? Because Apple's software RAID isn't very good, in my experience. In particular, when it discovers a read error on a drive, it considers that entire drive to be failed. Suppose drive #2 actually fails. You pull it out and replace it with a new drive #2. At this point software RAID replicates the contents of drive #1 onto drive #2. However, if it encounters a read error while reading drive #1, it will refuse to restore the RAID to full functionality, and you'll have to restore from backup. This may sound unlikely, but Western Digital's datasheet for the drives in this unit quote a maximum unrecoverable read error rate of 1 per 10^14 bits. Consider that a 4TB drive contains 4 * 10^12 * 8 = 0.32 * 10^14 bits, so if you read the entire drive, there's up to a 32% chance of an unrecoverable read error occurring. Doh. This actually bit me on the RAID I'm using this drive to replace. The sad conclusion: using RAID 1 (mirroring) on this drive results in a much lower improvement in reliability than you'd expect, and is no replacement for frequent backups.

Drive specs:
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-771442.pdf
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23 of 25 people found the following review helpful By Xodiak on March 25, 2014
Size Name: 8 TB
Bought this a few years back after a handful of failures with my 4TB Seagate drives. Wasn't a big fan of Western Digital for a few years do to subpar products but I have to say they have changed my mind with this drive. I purchased the 8tb version with the thunderbolt connection. Its been flawless since the start, quiet as can be, and the software that comes with it for the MAC works perfectly and updates regularly. Write speeds are wonderful and it reads quick enough to not give me any delay when streaming music or movies off of it to my wireless devices or apple tv. Its a great buy and I'm glad to see the price coming down slowly, I'll be purchasing another in a year or so.
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13 of 13 people found the following review helpful By Amazon Addict on July 12, 2014
Size Name: 4 TB Verified Purchase
Update 27 Jan 2015

I'm writing this update as a public service announcement that getting a drive with error correction or TLER isn't as simple as I thought. I had a gut feeling I should read more about Western Digital Red drives before spending close to $200 on a couple, and I'm glad I did. So what did I discover? Are Western Digital Red drives good for an enclosure that holds 2 drives? The simple answer is, if you are running RAID 1, yes. If you are running RAID 0, no. The long answer I found on a forum is:

The reason you don't want TLER in RAID 0 is TLER is designed so if a drive in a RAID array hits a bad sector, instead of keep trying to read the sector, the drive gives up after 7 seconds and tells the RAID controller to handle the error. The controller then finds a redundant copy of that sector data from another drive in the array (with RAID levels 1 or 10) or calculates the missing data from parity information (RAID levels 4, 5 and 6). The problem with TLER in RAID 0 is that there is no redundant copy of the data anywhere, nor can it be calculated from parity because there is no parity. You need the drive to keep trying to recover the data from a bad sector, because good or bad, it's the only copy you have. Hence, TLER in RAID 0 is bad.

Now I understand why Western Digital gives us Green drives with this enclosure. Green drives work well in RAID 0, RAID 1, or as individual drives occupying 1 enclosure while Red drives are only ideal if the enclosure runs RAID 1. At this point in time, I'm thinking about keeping the Green drives that came with the enclosure because I anticipate any performance gains I might get by replacing them with Black drives (Western Digital's performance category) will be negated by the fact I encrypt my data.
Read more ›
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6 of 6 people found the following review helpful By 7d5a9b1 on December 1, 2014
Size Name: 8 TB
I've had this for nearly a year now. It's so fast as to be almost instantaneous, so quiet you forget it's there. For several months, I had what seemed a problem with it: my Macbook would report that my disc was "not ejected properly," then mount it again immediately. I called Western Digital; its customer service department offered to send me a new drive so that I could transfer my data from the old one, and to cover postage for the old one's return. After a bit more troubleshooting I concluded the problem lay with my Macbook (a 13-inch late 2013 Retina Display model)--and, two logic boards later, it has gone away. But though I didn't take up Western Digital's offer, I remain impressed by it.
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6 of 6 people found the following review helpful By Donald J. Hajicek on August 27, 2014
Size Name: 8 TB
Anymore, I ONLY buy WD drives. I've had this one for about a year and it works perfectly. (Knocks on wood.) I'm about to buy the 8tb version, too. The shelf above my workstation looks like a WD External Drive Museum. I've been let down by LaCie enough times that the site of that "rugged" orange drive makes my blood boil. But these have served me well for years now, and I'm about to get another.
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4 of 4 people found the following review helpful By Paul Conboy on December 20, 2014
Size Name: 8 TB
Just purchased, wanted to relay that I am getting 271 MB/S write speed and 283 MB/S read speed in RAID 0 configuration (non-mirror setup for maximum capacity and performance) and 137 MB/S write speed and 137 MB/S read speed in RAID 1 configuration (mirror setup for duplication and protection). I will update this review in several months with a follow up on reliability and performance.
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