WD My Book Duo 28TB (2x 14TB) Two-Bay External Desktop RAID Storage Array

WD My Book Duo

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Generally ships in 7-14 days, subject to availability Estimated to Ship: 07/27/2025.

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Computers

Drives, SSD & Storage

Hard Drive Arrays & RAID

WD Hard Drive Arrays & RAID

WD My Book Duo 

Get the WD My Book Duo 28TB RAID array for high capacity and data redundancy. 5400RPM, USB 3.2. Shop now for reliable desktop storage!

What sets the My Book Duo 28TB (2x 14TB) Two-Bay External Desktop RAID Storage Array apart is its colossal capacity and flexible RAID functionality, making it an essential choice for professionals and enthusiasts alike who require reliable and spacious data storage solutions. With a substantial 28TB of space, this device is engineered to accommodate extensive photo libraries, video collections, music archives, and critical documents, ensuring all your digital assets are securely housed in one convenient location.Experience rapid data transfer speeds with the My Book Duo's RAID-0 mode, which boasts impressive sequential read speeds of up to 360MB/s when utilizing the USB Type-C port. This high-performance feature is ideal for users who prioritize fast access to their large files and demanding applications. For those who value data security over speed, the RAID-1 configuration offers redundancy by mirroring your data across the WD drives within, providing peace of mind through an added layer of protection.The My Book Duo is not only fast and reliable but also comes with a durable, RAID-optimized WD drive infrastructure. These drives are specifically tailored for two-disk array systems, featuring firmware that manages drive operations efficiently to maintain data integrity during read/write cycles. This attention to detail ensures that the storage array remains high-performing and dependable over time.Compatibility is key, and the My Book Duo excels with its USB 3.2 readiness, including backward compatibility with USB 3.0 and 2.0 interfaces. The package includes both USB Type-C to Type-C and Type-C to Type-A cables, catering to a variety of connection needs and ensuring seamless integration with your existing setup. Additionally, this storage array doubles as a quasi-docking station, offering two USB 3.0 Type-A hub ports that extend its functionality, allowing you to connect additional peripherals such as storage devices, keyboards, mice, card readers, and even charge your smartphone.Security is paramount, and the My Book Duo addresses this with built-in 256-bit AES Hardware Encryption. Coupled with WD Security software, you can set a personalized password to activate this robust encryption, safeguarding your sensitive content from unauthorized access.In summary, the My Book Duo 28TB Two-Bay External Desktop RAID Storage Array stands out as a fast, reliable, and high-performance storage solution, offering vast capacity, flexible RAID configurations, and robust security features, all while maintaining compatibility with a range of devices and operating systems. Whether for professional use or personal data management, this storage array is designed to meet the demands of high-capacity users who require both speed and security.

I received this product in place of another duo I had for 5 years.  I wasn't able to restore my prior duo since the drives are no longer available.  I upgraded to this duo only to find out it is faulty and makes vibration noises.  As part of troubleshooting, my RAID 1 configuration got out of sync and then would no longer load.  You can load each drive individually to access your data, but if you initialize one of the two healthy drives the WD Utility Software doesn't have an option to rebuild the RAID 1.  There are no instructions on the internet to do this and WD tech support only defaults to telling you to restore the data somewhere else and then initialize a RAID 1 and then copy the data back.  You'll notice if you just have one drive in that you'll see a rebuild button, but it isn't clickable and that disappears when you have two drives in.  Basically RAID 1 is good for redundancy, but not for restoring RAID 1 when a drive fails.  I don't trust WD at all with my data and wasn't comfortable sending my drives back to them for replacements.  They haven't sufficiently defined what their hard drive handling policy is (with my data) and how they destroy the data.  This drive also makes general read access noises that is annoying.  Would *not* recommend.

Faulty product and poor RAID 1 repair

This is an exceptional external drive, quick and reliable. I use this for all my storage instead of buying more drive space from Apple. This is affordable and easy to hook up.

Extra space without the HIGH Apple prices.

Plenty of space, quick. It has enough space for external media libraries, and extra room for other.

Fast & Reliable!

Do not buy this product, be away from that , i bought 2 pair of this product , one of them shows raid issue and finally all data gone, the second one makes some delay on my music softwares and after took it away and bought a new other brand buy with good quality all problems solved, do not buy this trash

Do Not Buy This Product

Had this setup work well with my intel mac and now it doesnt work properly with my new silicone mac. It does not mount when connected, I have to restart the computer with the drive connected to mount. After about 45min - 1hr of use it will suddenly disconnect and the fans go on full blast. All checks from the WD software say it's okay but I just cant depend on this drive. I've spent 3 days with WD tech support; I keep getting disconnected everytime my ticket is passed on to another tech and having to start over. Luckily I did not trust WD with the expensive, high-capacity storage but in the end 5TB of information is a LOT of data to lose access to.

MacOS beware; unreliable with silicone mac

I bought this device 6 months ago with the intent to store large amounts of data but yesterday, out of nowhere the device came up with a RAW file system and disk become inaccessible by the OS.

I reached out to the WD Support and was told to obtain 3rd party data recovery software. While they told me a list and said the software is free, I had to pay extra $100 to obtain it as nothing is free these days.

I was able to recover the data, but transfer them over to interim devices became a nightmare as I do not have another spare device of high capacity (which is why I bought MyBook in a first place).

All in all - total expense of $600 and waste of time on data transfer. I did run a chkdsk and found bunch of bad blocks so I conclude this is very low quality product as it didn't even last a year before getting BBs.

I am an owner and a user of Seagate attached NAS which is working over 7 years without a single glitch so would recommend to stay away from any RAID devices made by the WD. (Note that I do not speak for all devices as I haven't used other models, but I bought myBook which supports RAID so seeing it being unreliable makes it waster of money.

************ Verdict ****************
Stay away unless you ready to spend extra on data recovery and/or messing around with restoring/transferring data. Also a note that I am still waiting on the WD support to offer solution/replacement for the broken device as in its current state its absolutely useless and its being less than 6 months!

Stay away from this device!

Every time i'm using it on a mac it stops and disappears, my mac can't detect it and i have to restart all several times. Also it makes weird noises. For the price not worth it at all.

Loud, slow and fails every time

I have two dead My Book Duos Holding precious data, I still hope one day to recover. Thought I was being sensible, having 2 copies of each disc, but this proved to be the worst decision of my (early) photography career. The case developed a fault, makings the discs unreadable. The discs themselves were operating fine With diagnostics, indicating no fault. I thought No problem, I'll just swap them into the casing that still works and retrieve my data. Didn't work. So I moved them to an old Mac Pro. That didn't work either. 

Why? WD's alleged 'Security' feature: hardware encryption. This genius idea prevents the discs from being read by any casing other than their original. I asked WD to help, but no help was forthcoming. The casing on the second unit failed shortly afterwards. WD insisted that this is a 'security feature' to prevent data being stolen. (Ie If a thief breaks in and takes the time to remove your disks from their casing, then ha ha, they won't be able to read them). I therefore lost both my data and the backup - because WD Does not provide a decryption key when their casings fail. 

You couldn't make it up. I never bought  a WD product since.

A great way to lose all your data

this is a good product. you must be-careful not to unplug this unexpectedly or you will get the orange flashing light. there are a few ways to fix this issue. one way is to power it off and unplug the unit.  pull out one of the hard drives. replace it with an empty hard drive. then hook it back up and turn it back on.  the unit should be flashing orange again but this time you can use your software to rebuild the raid array.
a second way i was able to fix this unit was after powering off the unit. unhook the unit. swap the 2 hard disk drives around so the drive in the first slot is now in the second slot. put the unit back together and turn on the orange light will be flashing. the software should tell you it needs to rebuild the raid array this .your data is accessible at this time but it will show you it is rebuilding the array. for either option wehen the array is finished rebuilding the unit will now have the white light and will be back to normal.  you will not loose any data. i prefer option 1. if you are storing files that you just cant afford to loose then buy an extra matching hard disk drive you will thank mea latter it will be worth the money. this is the best option for a direct attached storage that i have found.

the best direct attached storage opotion.

The main circuit board failed along with one of the two drives. Had it set to RAID 1 (Mirrored). WD tech support said nothing can be done except to buy a new enclosure and put the other working mirrored pair into the new enclosure. Since I purchased two of these units I was able to salvage the data from the working drive but will never buy again because of possibility of enclosure circuit board failure.

Unreliable Due to EnclosureSingle Point of Failure

So these units are not really that great...if the chassis fails then you are screwed, the hardware encryption is tied to the drives you can't swap in and out whatever drives you want and if the chassis fails you are screwed unless possibly still under warranty...super dissapointing...I went with a Mobius Pro 2C...much more reliable and no bs proprietary encryption....

Worked then failed, unrecoverable

The hard drives are okay and good value for money. However, on my M1 Mac they crash a lot. The drive utilities software is very bad and I have older My Book Duos im not using, because the cause errors all the time. Data feels less save due to these problems.

WD Drive Utilties is so bad

Western Digital hard drive backups Are designed to fail.

Western Digital designed to fail.

Great RAID drive. I have it configured as a RAID 1. This is my third WD RAID - all still in operation.

Great RAID

Noisy. Sounds like it's going to crash any moment. USB C port not recognized by computer's C port.

Disappointing.

These drives have worked ok for me however periodically the fan will go into overdrive mode... it gets really, really loud.  At the same time, it will lose it's connection to my PC.  The only way to get it back is to unplug it and then plug it back in again.  Not a huge show stopper but I've seen other reviews mention this and the same thing happens to me.

Fan periodically goes into turbo mode.

excellant what i need for all my files with large capacity

Great Product

It does what it is suppose to, but makes this clunky sound every few minutes even when I am not accessing it. Seems like the drive/disk is continuously spinning, which gets very annoying as it sits on my desk. I probably access files on it once or twice a day, but the thing keeps going like it is being accessed all the time. Really annoying.

Clunky sound every few minutes

I have had nothing but trouble with this since I got it. On my Mac it constantly disconnects. Now the fan spools up like a turbo for no reason. It's strange because the regular my book drives work great. Avoid. Especially on OSX

Horrible

Purchase simple, product easy to set up, decent price, love it.

Good buy

I needed a lot of storage and WD delivers with its 36TB model. The drive is easy to setup and use. Data transfers are quick and reliable. I only detract a star because of the amount of noise and vibration it puts out when in use, but that is probably unavoidable with a spinning hard drive. I look forward to the day when they make a 36TB SSD at a similar price.

The product was good, but dealing with the company was not.

Good product

easy setup and great performance - precisely what I was looking for

Good Product

This storage device was one of the easiest installations we've ever done.   The unit works great.
The vendor delivered when they said, and the product arrived in excellent condition.  Would definitely order again.

excellent RAID storage

Two of my Units Disconnect All the Time and the fans go into overdrive. I have to unplug the unit for 5 mins and then put it back one. Do all the drive checks and it says it is OK!

My Book Duo

Look as grabman I accept nothing but the best.  And when it came to backing up my 23tb ps4 collection I went straight to WD for quality and reliability.  After EXTENDED usage I can proudly state that grabman gives 2 thumbs up to the WB 28TB My Book Duo!

I had my doubts but WD came up aces in the end!

It is easy to get up and running ,works well and costs little more than the two 6Tb WD Red drives that it contains.  There is an issue with the product's plastic case that has no bearing on operation.  The outer cardboard box was sealed and undamaged, so in no way is it Adorama's fault.  It appears to me that the unit's case was probably damaged in assembly.

Recommended product despite issues.

A very important fact that was not in the WD literature is that there is a hardware encryption that prevents the drive from being read in any other enclosure. In my case the WD Duo enclosure went bad and while the drives were ok I had no way to read them. WD does not sell replacement enclosures. They also no longer have replacement drives for my unit. So if you are out of warranty, you are out of luck.

WD’s solution to this problem is to provide you with a list of third party data recovery contractors. I contacted one of them and was told that the cost would range from $800 to $2,700 and that they would need the enclosure. If I had a working enclosure I wouldn’t need them. So without having backed up the WD  Duo, I would have lost all my data. As it was I did loose the work than had been done since the last backup.

I can think of no reason for WD employing hardware encryption other than to force you to buy the replacement drives from them for as long as they chose to sell them.  This characteristic of the drive should be made clear in the WD literature so that people can make an informed I bought the older model of this WD Duo to run in a RAID 1 configuration.  I used it to have a protected working/storage solution for my photography and fortunately backed it up with offsite storage.  My thinking, based on the WD literature, was that if one of the drivers failed all I had to do was replace the bad drive and rebuild the RAID or I could even pull the good drive and put it in another enclosure.  As it turned out, none of this was possible.
decision in purchasing it.

READ THIS BEFORE YOU BUY-LOST MY DATA

Spent hours trying to get a backup of my images I'm a photographer. Instructions are not clear. If your are a computer geek you probably won't have the difficulty I had.  I finally got it working but back ups take long time. You have to make sure you turn off your computer sleep settings otherwise it will time out.

Extremely difficult to get started.

I had no set-up problems, even for my iMac.  Pretty easy for a non computer professional.  It is working in the background with Time Machine without any additional effort keeping 2 copies of all my data.

WD My Book Duo 28TB (2x 14TB) Two-Bay External Desktop RAID Storage Array

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