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WD Black² Dual Drive 2.5" 120 GB SSD + 1 TB HDD Kit WD1001X06XDTL

  • Revolutionary dual drive with 120 GB SSD and 1 TB HDD
  • World's first 2.5-inch dual drive storage solution
  • Industry-leading 5-year limited warranty

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Western Digital WD1001X06XDTL

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details

Customer Reviews of the Western Digital WD1001X06XDTL

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  • David G.
  • 8/23/2015 4:30:46 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsWD black 2

Pros: Fast SSD and small form factor. interesting concept.

Cons: Requires Software to show 1TB HDD, OS (Windows 7-10) will only show the SSD when first installed. Must Have windows upgraded to see both SSD and HDD as one drive, (not tested on Mac OS X) otherwise it will show as 2 drives.

Life Span: Bought 2. The one in my desktop is still runnng. The other drive had the HDD part start clicking a day later. Had to RMA the Drive. It has been 5 months since the replacement of the dead drive. The replacement Just DIED again. SSD boots windows but HDD freezes OS when the drive is accessed.

Was not able to software or hardware raid drives as it will only show 2 different SSD not the HDD. Can not be mirrored.

Both Drives were in stationary Desktops. No physical movement.

Other Thoughts: If the life span and the firmware could be better on these drives, they would be great for fast servers or mini media PCs, but if the life span is less than a year then it is not worth it. Now I have to RMA the second replacement drive again and pay shipping.

Manufacturer Response:

Greetings DavidG,
Thanks for your time providing feedback of this dual drive. The Black² ships with the HDD locked was by design in order to facilitate proper installation of the Windows Operating System. Once Windows is installed, our installation software assists in unlocking the 1TB HDD and prepares the drive to be used within the Windows environment. In addition, we want you to know the Black² is supported with Mac 2012 or later with OSX 10.9 or later. Mac installations give the user a choice to install this drive as fusion (Core Storage) or dual drive. For your convenience, we placed links below for the Mac Installation Guide, Firmware Update for Mac and Installation software for Mac.
“Mac Installation Guide (pdf)”:
“WD Black2 Configuration Utilities for Mac (Fusion and Dual Drive Configuration)”:
“WD Black2 Firmware Update for Mac”:

Although this is a dual drive integrating SSD and HDD, it is not a viable product to be utilized as a RAID array. This is outside the design of the drive; further, it is not possible to partition SSD drives because of its cell configuration as opposed to Sector configuration of a traditional HDD drive. It is important to know a RAID 1 or Mirror array, which each drive must be the same size; as the Black² is comprised of a 120GB SSD and a 1TB HDD in a single device, making this drive unable to exist as a Mirror RAID 1 configuration.

It is unfortunate to hear about your unexpected drive failures from your desktop configuration. We would be more than happy to replace your failed drive while it’s under warranty, however, further investigation may be need to determine why these drive failed in order to provide a good outcome.

Need Help? Please follow the link below for further assistance or contact us at 1(800) 275-4932.

0 out of 1 people found this review helpful. Did you? Yes No

  • Isidro Z.
  • 8/11/2015 11:15:28 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsUnreliable

Pros: Would have been great for my small form factor project .
Was easy to set up, but since then it has stopped working

Cons: On day one the drive wasn't recognized in one of the boots. I thought it was due to some bad connection, so I put everything back together again and it started again.
I left my project aside for a couple months, came back to it this week and, again, after a few boots the drive fails to boot and is no longer visible in BIOS (this is a computer that was already running with an SSD successfully)

Other Thoughts: I really wanted this to work as I would have had in a very small case both a fast boot drive and a reasonably large media storage capacity!

Manufacturer Response:

Hello Isidro,
We regret hearing about the drive recognition concerns with your current system, but we appreciate you brining this to our attention. It is recommended to ensure the BIOS and Chipset firmware for your particular systems motherboard is at the most current available from your computer manufacturer. It is important to know some manufacturers provide a white list of supported hard drives for their computers; further, the white list may allow only OEM approved hard drives to be installed.

We will be following up with you soon, with the information provided within this review, to work with you directly in order to determine the root cause of your computer’s BIOS recognition concern. If you wish to directly contact us first by phone below, we ask that you mention this Newegg review and your case number as a reference to these stated concerns. We may be able to help get your drive reliably recognized and booted successfully on your current system.

Need Help? Please follow the link below for further assistance or contact us at 1(800) 275-4932.

0 out of 1 people found this review helpful. Did you? Yes No

  • Gary W.
  • 8/1/2015 5:51:43 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsunusable in a lenovo

Pros: None. It doesn't work.

Cons: Takes Extensive Effort even for someone with 30 years working with pc's just to get a clone of an existing HD. After two weeks still cannot get it to boot.

Manufacturer Response:

Hey There Gary,
We regret hearing about your cloned image was unable to boot with this drive, however we appreciate you bringing this concern to our attention. It is important to ensure the BIOS supports dual drive technology. This drive should be recognized as AHCI (Advance Host Controlled Interface) and not as a RAID within the BIOS. We have a couple useful articles below providing more information.
“WD Black² Installation Software fails to install, reporting a RAID configuration when the system is not configured on a RAID”:
“How to determine if a WD hard drive is compatible with a computer system or motherboard”:

When cloning an existing drive to the Black2’s SSD portion, it is crucial not to violate the SSD/HDD boundary. In many cases, it may be necessary to perform some disk cleanup or utilize exclusions within the clone process to ensure the Operating System and Program files fit within the 118GB SSD portion of the drive. We ask that you visit these useful links below for more information.
“How to install and clone a WD Black2 2.5" Dual Drive (SSD + HDD)”:
“How to copy data to a WD Black² Dual Drive after data was excluded during the Acronis True Image cloning process”:

We want you to have a good experience with our dual drive. Please mention this Newegg review with our support staff by contacting us directly via phone or Email below. We are here to address your clone and drive boot concerns so you can experience the fast boot and program launch performance that you should expect with a SSD drive as well as the large capacity and unlimited re-write ability from a HDD drive.

Need Help? Please follow the link below for further assistance or contact us at 1(800) 275-4932.

1 out of 3 people found this review helpful. Did you? Yes No

  • Anonymous
  • 7/12/2015 9:16:13 PM
  • Tech Level: High
  • Ownership: less than 1 day

5 out of 5 eggstech lvl 3+

Pros: none

Cons: none

Other Thoughts: ok, you people posting these low egg reviews with tech lvl greater then 3, please do the rest of new eggs shoppers a favor and drop your tech lvl to 2 or less. Complaining about missing drive sizes, ((please google byte size)), I put it in a mac an it freezes, ((apple has never supported technology they dont sell from the apple store)), I put it my hp, its not the drives falt so i'm going to give it 1 egg....

Reviews are used to describe your experience with the product. Your rating is for how the device performed. If it was DOA, it deserved 1 egg.

Another guy says, i need to adjust my raid settings. Please tell me you are NOT attempting to raid this type of drive.

For Anyone else wanting a real high tech lvl review please read below.

This Drive is a second gen hybrid drive. Speed of the ssd with load times and the space you want to store pictures,vids, and other things you may be working on with out having to also use an external drive to store your work.

This type of drive will show up as 2 seperate drives in the machine. You want to use uefi or ahci settings to access this drive. You will want to setup the 120 as your system disk with the 1tb as the store disk. Disk spin up/dow. doesnt matter. Drive motors are designed to have opperational output of something like 2000hours at full speed. Most never die. 90% of all drive issues is the reads or the drive bios. Drive platters and the motor are usually pretty much life proof. So drive spin life is meh, may as well cry over spilt milk.

16 out of 16 people found this review helpful. Did you? Yes No

  • Miles L.
  • 7/10/2015 11:35:17 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsTrouble with HP Pavilion

Pros: Unsure

Cons: Compatibility issues with my HP Pavilion dm4....not the drive's fault, it's an HP issue with limited BIOS adjustment. This HP will view drives as RAID...even though that is not the case. BIOS in the HP does not allow access to change that. As noticed by WD, this drive does not work in RAID. Will only 'see' the SSD portion of the drive and not load/view the HDD.

Other Thoughts: I did the clone procedure......maybe a fresh install of OS could work, but my laptop came pre-loaded W7 and I do not have a retail set of discs.

Manufacturer Response:

Hey There Miles,
We appreciate your feedback. it is important to keep the total Operating System and Program files within the 118GB partition when cloning your original HDD to the Black2 drive’s SSD portion. In order to accomplish this, it may be necessary to exclude your libraries during the cloning operation. For more information please follow the links to some useful articles below.
“How to install and clone a WD Black2 2.5" Dual Drive (SSD + HDD)”:
“How to copy data to a WD Black² Dual Drive after data was excluded during the Acronis True Image cloning process”:
“How to redirect user data from Libraries, such as 'My Documents', to an alternate location on a Windows PC”:

We would appreciate the opportunity to assist if your concerns were not resolved from the above information. Please contact us directly by phone or Email below and be sure to mention this Newegg review on your initial contact with our support team as a point of reference.

Need Help? Please follow the link below for further assistance or contact us at 1(800) 275-4932.

0 out of 6 people found this review helpful. Did you? Yes No

  • Ronald M.
  • 7/8/2015 9:34:02 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day

5 out of 5 eggsWD Black Dual Drive

Pros: Found the published read/write specs. The SSD according to WD has a max read speed of 350MB/s and max write speed of 140MB/s. Read a few reviews on major computer sites which found the concept to be good but the performance to be mediocre. Since I do not own this and can not attest to it's actual performance I will not knock off eggs.

Cons: Folks who claim tech knowledge level 4 or 5 and knock off eggs when they don't even understand the concept of hard drive size calculation. Hard drive companies have always and will probably always calculate their hard drives sizes using the decimal number system but computers see and calculate space in the binary system. Whereas 1000 kilobytes decimal equals a megabyte, it takes 1024 kilobytes binary to equal a computer megabyte. So by the time you get all the way up to an advertised 1 Terabyte drive, the actual space calculated by the computer is 931 Gigabytes.

Other Thoughts: WD is a great company and I use some of their products. Although this concept is appealing, I will be holding off on buying this drive until they get their read/write speeds for the SSD portion of the drive up a bit closer to other SATA 3 SSDs on the market.

4 out of 4 people found this review helpful. Did you? Yes No

  • Anonymous
  • 7/6/2015 12:13:31 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGreat Dual Drive. But...

Pros: Great, fast SSD.
Put it into a 6gb/s SATA drive on my desktop and works great.
Very quick loading screens on Skyrim and Fallout 3.

Cons: The HDD only came with 931 GBs as opposed to the advertised 1 TB.

Other Thoughts: I really like this dual drive and it's been working well for me so far, but the fact that I didn't get and entire 61 GBs of space really gets to me. Otherwise, this product would have gotten five eggs.

0 out of 22 people found this review helpful. Did you? Yes No

  • Julian K.
  • 7/6/2015 6:41:25 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsFrom 5 to 3 stars, intermittent freezing

Pros: It's fast, especially at first. Apps launch super quick.
Large storage capacity, I haven't had this much space in a long time
Inexpensive, for what it is.

Cons: After several months of usage, speed has suffered dramatically, and in really annoying ways, ways that make me want to pull my hair out.
Apps continue to launch fast, but it seems that the speed that the SSD brings to the table is made up for by the sluggish response of the HDD. Quite often my computer freezes up, and sometimes for minutes at a time. During these freezes, I can't do anything, no cmd+opt+esc, no working on something else, it's completely frozen. It has a huge impact on my work productivity, particularly as I often have tasks that require a lot of disk usage.

Other Thoughts: I give this three stars because I would still recommend it to someone looking for a hard drive upgrade that can't afford a full SSD. My computer was completely unusable before this upgrade, now it's tolerable, but getting worse, it seems.

I have a Macbook Pro, 2011, people using Windows may not have these problems. The intermittent freezing was supposed to be solved (or at least partially solved) by a patch, but it seems to have had no effect.

It took about 2 months of use before the effect became notably bad.

Manufacturer Response:

Greetings Julian,
We appreciate feedback from our customers. Mac users have the option of configuring the Black2 drive as Fusion (Core Storage) or Dual Drive. Where the Fusion configuration combines the SSH and HDD into one large 1.2TB total storage; this can be helpful when the original drive contains more than 118GB used space. As with Windows computer’s, it is important to maintain the SSH/HDD partition separation when utilizing the Black2 as dual drive. Severe performance degradation will occur if this boundary has been broken during initial configuration and clone. Further, as part of the initial installation and configuration, we recommend updating the Black2 drive’s firmware. This provides improved power management; which can also benefit in increased overall performance. If you have not already done so, we recommend backing up your computer before performing the firmware update on the drive. Instructions for creating a bootable USB disk with the firmware update are included within the download, as well as the installation guide below.
“Mac Installation Guide (pdf)”:
“WD Black2 Firmware Update for Mac”:

We will be following up with you soon, from the information provided in this review, so we can collect more information and provide further assistance as needed. If you wish to contact us directly first, please follow the information below and mention this Newegg review for reference. Our experienced Mac/Black2 team members want you to enjoy the benefits the Black2 offers.

Need Help? Please follow the link below for further assistance or contact us at 1(800) 275-4932.

1 out of 3 people found this review helpful. Did you? Yes No

  • Gary D.
  • 6/23/2015 8:01:13 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsmajor slowdown between drives

Pros: bought 4/23/2015.
I do not recommend this duel drive. Performance overall is better with a single WD 7200rpm with fast access time. For the $ not worth half that amount. There is a period that I find myself waiting for the 2nd drive to participate. This is a computer, I should not have that amount of time to be thinking while spin up waiting for a response.
I would like a refund or a better WD drive. This duel drive is not ready for prime time.

Cons: WHY DOES THE DRIVE HAVE TO SPIN UP MOST OF THE TIME? Eco-madness. Since the early 1990's I have always used WD after loosing other brands. This never should have been released. Shame on you. Poor design, poor firmware with no user options. 120GB SSD is to small. The spin up waiting is the most irritating part. My trust in WD is why I try this duel drive. Trust is everything. I feel tricked and mislead by WD ad promo.
Packaging is overdone. Put that money towards product improvement. Normally, one keeps the drive and throws away the packaging, but maybe this time the package was more attractive to keep and the SSD/HDD more likely thrown away.

Other Thoughts: How about a better drive for me and you take this drive in exchange.

Manufacturer Response:

Hey There Gary,
Thanks for your time leaving feedback. We are sorry to hear about your unexpected HDD performance concerns. It is important to know the 118GB SSD barrier not be broken, we advise a 2GB free space minimum between the SSD and HDD portions of the drive in order to maintain peak performance. For more information, please follow the link below.
“Cloning a drive to a WD Black² Dual Drive using Acronis True Image fails because the source drive has more data than the SSD portion of the drive”:
“How to copy data to a WD Black² Dual Drive after data was excluded during the Acronis True Image cloning process”:

We would appreciate you contact us directly by phone or Email below and mention this Newegg review to address these concerns and help provide solutions to get the expected performance from this drive.

Need Help? Please follow the link below for further assistance or contact us at 1(800) 275-4932.

0 out of 7 people found this review helpful. Did you? Yes No

  • John J.
  • 6/21/2015 7:25:46 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsPoor Error Reporting from install script on Mac OS

Pros: Extremely well packaged.
Comes with a USB to SATA adapter.
Comes with memory key for the firmware upgrade.
Unique product: both an SSD _and_ a decent capacity HD rolled into one. It makes this product hard to resist.
It was well priced (at least when I bought it).

Cons: I installed this drive to replace a HD that had failed on an old MacBook Pro. As a result I could not follow the instructions as documented.
The documented install procedure is terse, and presumes that you are replacing an operational drive. I had to deviate from the installation procedure as a result.
I made the mistake of installing the OS on the drive before I split the drive. The script to split the drives first attempts to unmount the OS drive, which fails. It took me an entire eventing of research to figure out that the root cause of the error I saw. The error message displayed by running the WD tool provided no indication of the actual problem :(
It would be nice if their software was tested a little better outside of the ideal scenario to tell you when you're doing something foolish. A useful error message goes a long way when troubleshooting..
Good product ... mediocre documentation, poor error reporting in the install program.

Other Thoughts: Given the issues I had with it (on an old macbook pro), I would not recommend this to those less technically inclined. If you are replacing a dead drive, you will require an intermediary drive on which to install the OS before splitting the WD Black into its constituent SSD and HD.

0 out of 6 people found this review helpful. Did you? Yes No

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