Introducing the ultimate storage solution for your media files - the WD 12TB My Cloud EX2 Ultra Network Attached Storage (NAS). With high-performance capabilities, you can save, stream and share your files from anywhere with an internet connection. Customize your system with multiple RAID options including RAID 0 for enhanced performance, RAID 1 for mirrored protection and JBOD for non-RAID configurations. This ultimate NAS device is equipped with 256 AES volume encryption to secure your files across your network whether you're using a PC or a Mac. Featuring ultra-reliable WD Red NAS Drives, the My Cloud EX2 Ultra is pre-configured to provide improved performance within 24x7 environments. Share your files easily with public or private links that provide limited or full access to others for secure collaboration. Whether it's photos, videos or music, the My Cloud EX2 Ultra is designed to handle smooth streaming with its upgraded powerful Marvell ARMADA 385 1.3GHz dual-core processor, and 1GB of DDR3 memory. The downloadable Plex Media Server keeps all your files beautifully organized and prepared for streaming to your PC, mobile device, game console or any other certified media player. My Cloud OS 5, the latest technology from WD, comes with enhanced security updates, improved data privacy, and photo/video viewing and sharing capabilities. Use the mobile or web app to remotely access your files and enjoy an improved web app experience. Upgrade your storage game with the WD 12TB My Cloud EX2 Ultra Network Attached Storage - a high-performance storage device that is ready to take your file-sharing and streaming experience to unparalleled heights.
Introducing the ultimate storage solution for your media files - the WD 12TB My Cloud EX2 Ultra Network Attached Storage (NAS). With high-performance capabilities, you can save, stream and share your files from anywhere with an internet connection. Customize your system with multiple RAID options including RAID 0 for enhanced performance, RAID 1 for mirrored protection and JBOD for non-RAID configurations. This ultimate NAS device is equipped with 256 AES volume encryption to secure your files across your network whether you're using a PC or a Mac. Featuring ultra-reliable WD Red NAS Drives, the My Cloud EX2 Ultra is pre-configured to provide improved performance within 24x7 environments. Share your files easily with public or private links that provide limited or full access to others for secure collaboration. Whether it's photos, videos or music, the My Cloud EX2 Ultra is designed to handle smooth streaming with its upgraded powerful Marvell ARMADA 385 1.3GHz dual-core processor, and 1GB of DDR3 memory. The downloadable Plex Media Server keeps all your files beautifully organized and prepared for streaming to your PC, mobile device, game console or any other certified media player. My Cloud OS 5, the latest technology from WD, comes with enhanced security updates, improved data privacy, and photo/video viewing and sharing capabilities. Use the mobile or web app to remotely access your files and enjoy an improved web app experience. Upgrade your storage game with the WD 12TB My Cloud EX2 Ultra Network Attached Storage - a high-performance storage device that is ready to take your file-sharing and streaming experience to unparalleled heights.
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WD My Cloud 12TB EX2 Ultra 2-Bay NAS WDBVBZ0120JCH-SESN
Introducing the ultimate storage solution for your media files - the WD 12TB My Cloud EX2 Ultra Network Attached Storage (NAS). With high-performance capabilities, you can save, stream and share your files from anywhere with an internet connection. Customize your system with multiple RAID options including RAID 0 for enhanced performance, RAID 1 for mirrored protection and JBOD for non-RAID configurations. This ultimate NAS device is equipped with 256 AES volume encryption to secure your files across your network whether you're using a PC or a Mac. Featuring ultra-reliable WD Red NAS Drives, the My Cloud EX2 Ultra is pre-configured to provide improved performance within 24x7 environments. Share your files easily with public or private links that provide limited or full access to others for secure collaboration. Whether it's photos, videos or music, the My Cloud EX2 Ultra is designed to handle smooth streaming with its upgraded powerful Marvell ARMADA 385 1.3GHz dual-core processor, and 1GB of DDR3 memory. The downloadable Plex Media Server keeps all your files beautifully organized and prepared for streaming to your PC, mobile device, game console or any other certified media player. My Cloud OS 5, the latest technology from WD, comes with enhanced security updates, improved data privacy, and photo/video viewing and sharing capabilities. Use the mobile or web app to remotely access your files and enjoy an improved web app experience. Upgrade your storage game with the WD 12TB My Cloud EX2 Ultra Network Attached Storage - a high-performance storage device that is ready to take your file-sharing and streaming experience to unparalleled heights.
Introducing the ultimate storage solution for your media files - the WD 12TB My Cloud EX2 Ultra Network Attached Storage (NAS). With high-performance capabilities, you can save, stream and share your files from anywhere with an internet connection. Customize your system with multiple RAID options including RAID 0 for enhanced performance, RAID 1 for mirrored protection and JBOD for non-RAID configurations. This ultimate NAS device is equipped with 256 AES volume encryption to secure your files across your network whether you're using a PC or a Mac. Featuring ultra-reliable WD Red NAS Drives, the My Cloud EX2 Ultra is pre-configured to provide improved performance within 24x7 environments. Share your files easily with public or private links that provide limited or full access to others for secure collaboration. Whether it's photos, videos or music, the My Cloud EX2 Ultra is designed to handle smooth streaming with its upgraded powerful Marvell ARMADA 385 1.3GHz dual-core processor, and 1GB of DDR3 memory. The downloadable Plex Media Server keeps all your files beautifully organized and prepared for streaming to your PC, mobile device, game console or any other certified media player. My Cloud OS 5, the latest technology from WD, comes with enhanced security updates, improved data privacy, and photo/video viewing and sharing capabilities. Use the mobile or web app to remotely access your files and enjoy an improved web app experience. Upgrade your storage game with the WD 12TB My Cloud EX2 Ultra Network Attached Storage - a high-performance storage device that is ready to take your file-sharing and streaming experience to unparalleled heights.
The lowest price for WD My Cloud 12TB EX2 Ultra 2-Bay NAS WDBVBZ0120JCH-SESN right now is $299.00.
Prices last updated 30 Nov 2025.
Last updated at 30/11/2025 10:03:25
originally posted on westerndigital.com
The device worked fine and tech support was helpful for a long time. The software and connectivity has worked well but it is not very intuitive and overly complex. Good tech support has been an absolute necessity. More recently tech support has been absolutely terrible. When I changed ISPs I have been unable to connect the device and it is interminable "offline". I have been on chat with six different tech support people and they always send me through the same procedure which ultimately results in checking the Ethernet cable AND THEN THE CHAT GETS CUT OFF. EVERY TIME!No other potential problem is explored and the last tech blew me off by saying "you have a faulty device no longer under warranty - here's a 10% off coupon for a new one and a link to a 3rd party ... MoreThe device worked fine and tech support was helpful for a long time. The software and connectivity has worked well but it is not very intuitive and overly complex. Good tech support has been an absolute necessity. More recently tech support has been absolutely terrible. When I changed ISPs I have been unable to connect the device and it is interminable "offline". I have been on chat with six different tech support people and they always send me through the same procedure which ultimately results in checking the Ethernet cable AND THEN THE CHAT GETS CUT OFF. EVERY TIME!No other potential problem is explored and the last tech blew me off by saying "you have a faulty device no longer under warranty - here's a 10% off coupon for a new one and a link to a 3rd party data recovery company. They did not suggest other problems or even suggest that I try to access the device via USB. And I see via online forum that another potential problem is"A logical IP network issue, which could be a failure to get a network-compatible IP address via DHCP."I have no clue what this means, but tech support has been a complete waste of time (A LOT OF TIME) and not one bit of help. They read from a script and then blow you off and disconnect you from chat with really exploring what might be wrong. They are poorly trained and poorly equipped.When I first got the device and when I upgraded the OS more recently, tech support was really good, helpful and knowledgeable. Now they are terrible. If you do not need support and can manage the clunky interface on your own, then the device is fine. Otherwise look elsewhere.
originally posted on westerndigital.com
Equipment never worked as designed and caused far more problems than solutions. A few examples of my journey with the product:1. Set-up process budding at every stage for different reasons - I took me 2-3 weeks to finally get it working with cloud access;2. WD's multiple login credentials (support site / store / main site) - cause confusion in setting up and managing the product. Don't believe the "One login for all WD" slogan...3. Time Machine Backup for mac OS worked for a few days and out of the blue the volume stopped being accepted by MacOS. Even after rebooting the system and starting from scratch, I was never able to make it work again4. After the latest firmware update I lost all data in my spanning volume5. After deciding to re-format the spanning ... MoreEquipment never worked as designed and caused far more problems than solutions. A few examples of my journey with the product:1. Set-up process budding at every stage for different reasons - I took me 2-3 weeks to finally get it working with cloud access;2. WD's multiple login credentials (support site / store / main site) - cause confusion in setting up and managing the product. Don't believe the "One login for all WD" slogan...3. Time Machine Backup for mac OS worked for a few days and out of the blue the volume stopped being accepted by MacOS. Even after rebooting the system and starting from scratch, I was never able to make it work again4. After the latest firmware update I lost all data in my spanning volume5. After deciding to re-format the spanning volume, the system removed my cloud account and now I lost all data in all my volumes.This product is supposed to provide easy access and back-up to your data, but all it does is erase your data when you least expect it.
originally posted on westerndigital.com
I purchased the 12 TB EX2 4 years ago. It runs 24 hrs continuously without any issues. It’s not a toy for just storing data. This is a serious machine that does serious work. It can do everything you need for home and your business. Record streaming video that you can set up for a 4:00am TV recording. Plug your device in the usb to back up your machine. Windows Mac OS IOS Android mp4 all photos from all devices. It will automatically backup your phone pad computer cameras and portable storage that is on WiFi or Data. It will mirror backup index sort anyway you prefer to set it up for. Your whole family and or Business employees individually. It comes with multiple software for you to be prolific at the skill you’re using. Requires an internet connection for out of ... MoreI purchased the 12 TB EX2 4 years ago. It runs 24 hrs continuously without any issues. It’s not a toy for just storing data. This is a serious machine that does serious work. It can do everything you need for home and your business. Record streaming video that you can set up for a 4:00am TV recording. Plug your device in the usb to back up your machine. Windows Mac OS IOS Android mp4 all photos from all devices. It will automatically backup your phone pad computer cameras and portable storage that is on WiFi or Data. It will mirror backup index sort anyway you prefer to set it up for. Your whole family and or Business employees individually. It comes with multiple software for you to be prolific at the skill you’re using. Requires an internet connection for out of network use. You can be half way around the world and connect in an instant. I’ve connected from South Africa to the US just as you were sitting in your lazy boy. Set up must be by the manual, for errorless use. I have a 1250 GPB s router that makes use very fast. Keep it in an open space for good ventilation, and clean off the dust and your good to go. I’ve been using these drives for 10 years with no major issues that couldn’t be resolved. I recommend purchasing more storage than you originally want. You find more and more to store. For long term storage, this is an excellent option.
| Processor Manufacturer | Marvell |
| Processor Type | Armada 385 |
| Processor Model | 385 |
| Processor Core | Dual-core (2 Core) |
| Processor Speed | 1.30 GHz |
The device worked fine and tech support was helpful for a long time. The software and connectivity has worked well but it is not very intuitive and overly complex. Good tech support has been an absolute necessity. More recently tech support has been absolutely terrible. When I changed ISPs I have been unable to connect the device and it is interminable "offline". I have been on chat with six different tech support people and they always send me through the same procedure which ultimately results in checking the Ethernet cable AND THEN THE CHAT GETS CUT OFF. EVERY TIME!No other potential problem is explored and the last tech blew me off by saying "you have a faulty device no longer under warranty - here's a 10% off coupon for a new one and a link to a 3rd party ... MoreThe device worked fine and tech support was helpful for a long time. The software and connectivity has worked well but it is not very intuitive and overly complex. Good tech support has been an absolute necessity. More recently tech support has been absolutely terrible. When I changed ISPs I have been unable to connect the device and it is interminable "offline". I have been on chat with six different tech support people and they always send me through the same procedure which ultimately results in checking the Ethernet cable AND THEN THE CHAT GETS CUT OFF. EVERY TIME!No other potential problem is explored and the last tech blew me off by saying "you have a faulty device no longer under warranty - here's a 10% off coupon for a new one and a link to a 3rd party data recovery company. They did not suggest other problems or even suggest that I try to access the device via USB. And I see via online forum that another potential problem is"A logical IP network issue, which could be a failure to get a network-compatible IP address via DHCP."I have no clue what this means, but tech support has been a complete waste of time (A LOT OF TIME) and not one bit of help. They read from a script and then blow you off and disconnect you from chat with really exploring what might be wrong. They are poorly trained and poorly equipped.When I first got the device and when I upgraded the OS more recently, tech support was really good, helpful and knowledgeable. Now they are terrible. If you do not need support and can manage the clunky interface on your own, then the device is fine. Otherwise look elsewhere.
Equipment never worked as designed and caused far more problems than solutions. A few examples of my journey with the product:1. Set-up process budding at every stage for different reasons - I took me 2-3 weeks to finally get it working with cloud access;2. WD's multiple login credentials (support site / store / main site) - cause confusion in setting up and managing the product. Don't believe the "One login for all WD" slogan...3. Time Machine Backup for mac OS worked for a few days and out of the blue the volume stopped being accepted by MacOS. Even after rebooting the system and starting from scratch, I was never able to make it work again4. After the latest firmware update I lost all data in my spanning volume5. After deciding to re-format the spanning ... MoreEquipment never worked as designed and caused far more problems than solutions. A few examples of my journey with the product:1. Set-up process budding at every stage for different reasons - I took me 2-3 weeks to finally get it working with cloud access;2. WD's multiple login credentials (support site / store / main site) - cause confusion in setting up and managing the product. Don't believe the "One login for all WD" slogan...3. Time Machine Backup for mac OS worked for a few days and out of the blue the volume stopped being accepted by MacOS. Even after rebooting the system and starting from scratch, I was never able to make it work again4. After the latest firmware update I lost all data in my spanning volume5. After deciding to re-format the spanning volume, the system removed my cloud account and now I lost all data in all my volumes.This product is supposed to provide easy access and back-up to your data, but all it does is erase your data when you least expect it.
I purchased the 12 TB EX2 4 years ago. It runs 24 hrs continuously without any issues. It’s not a toy for just storing data. This is a serious machine that does serious work. It can do everything you need for home and your business. Record streaming video that you can set up for a 4:00am TV recording. Plug your device in the usb to back up your machine. Windows Mac OS IOS Android mp4 all photos from all devices. It will automatically backup your phone pad computer cameras and portable storage that is on WiFi or Data. It will mirror backup index sort anyway you prefer to set it up for. Your whole family and or Business employees individually. It comes with multiple software for you to be prolific at the skill you’re using. Requires an internet connection for out of ... MoreI purchased the 12 TB EX2 4 years ago. It runs 24 hrs continuously without any issues. It’s not a toy for just storing data. This is a serious machine that does serious work. It can do everything you need for home and your business. Record streaming video that you can set up for a 4:00am TV recording. Plug your device in the usb to back up your machine. Windows Mac OS IOS Android mp4 all photos from all devices. It will automatically backup your phone pad computer cameras and portable storage that is on WiFi or Data. It will mirror backup index sort anyway you prefer to set it up for. Your whole family and or Business employees individually. It comes with multiple software for you to be prolific at the skill you’re using. Requires an internet connection for out of network use. You can be half way around the world and connect in an instant. I’ve connected from South Africa to the US just as you were sitting in your lazy boy. Set up must be by the manual, for errorless use. I have a 1250 GPB s router that makes use very fast. Keep it in an open space for good ventilation, and clean off the dust and your good to go. I’ve been using these drives for 10 years with no major issues that couldn’t be resolved. I recommend purchasing more storage than you originally want. You find more and more to store. For long term storage, this is an excellent option.
You can easily turn this into a 40 TB NAS by adding 2 x 20 TB drives. This thing is very reliable, easy to use and set up as well as being able to host all manner of servers and applets including Plex (which I use to stream my music collection because I'm old). The only downside to the WD cloud series NAS is their penchant for running fast fans every night when they decide to index the heck out of everything on the drives. There have been some times when it restarted b/c of overheating. Since then I've change where it sits (off the carpet and on a plane surface) and I put a 120 mm usb fan on top of it as a vent to keep moving air. Since then, it has been silent (or nearly). You can get USB fans for very little and use them on stuff like this or your desktop pc if ... MoreYou can easily turn this into a 40 TB NAS by adding 2 x 20 TB drives. This thing is very reliable, easy to use and set up as well as being able to host all manner of servers and applets including Plex (which I use to stream my music collection because I'm old). The only downside to the WD cloud series NAS is their penchant for running fast fans every night when they decide to index the heck out of everything on the drives. There have been some times when it restarted b/c of overheating. Since then I've change where it sits (off the carpet and on a plane surface) and I put a 120 mm usb fan on top of it as a vent to keep moving air. Since then, it has been silent (or nearly). You can get USB fans for very little and use them on stuff like this or your desktop pc if they have a perforated roof on the case etc. I highly recommend them.
This is a good solution for me since I don't want to get involved with third party clouds and I have two computers. I had an old My Cloud that WD stopped supporting for access away from home and was too small anyway. The newer My Cloud requires internet access even if you are in your house (?), but not this model. I like that it can be configured as a RAID so the loss of either drive won't be catastrophic.Setting it up wasn't bad. It has a lot of capabilities and options, so it is a lot more complicated than just an external hard drive. Mostly it is just time consuming to move files over. The fan was always going for the first couple of days so it was really loud but I think that is because I was loading it with files and it was indexing them. After the first ... MoreThis is a good solution for me since I don't want to get involved with third party clouds and I have two computers. I had an old My Cloud that WD stopped supporting for access away from home and was too small anyway. The newer My Cloud requires internet access even if you are in your house (?), but not this model. I like that it can be configured as a RAID so the loss of either drive won't be catastrophic.Setting it up wasn't bad. It has a lot of capabilities and options, so it is a lot more complicated than just an external hard drive. Mostly it is just time consuming to move files over. The fan was always going for the first couple of days so it was really loud but I think that is because I was loading it with files and it was indexing them. After the first couple of days the fan rarely runs and it is very quiet. Maybe if you were streaming video from it the fan would restart, but I'm not doing that. There is a delay when accessing a file while the drives spin up, but otherwise this is much faster than the old MyCloud. I haven't tried to connect any external drives to it (which was painfully slow on the old My Cloud). One nice feature is putting the app on your phone and/or iPad so that they will back up photos from those devices easily and quickly.I will say keep an eye on prices. It was cheaper for me to buy the empty My Cloud and then get 2 4TB drives separately from Best Buy. Then I found another place that had the same WD Red drives even cheaper, so I was able to save a good bit.
This review is more overall, not just the latest EX2 Ultra experience. This is my second replacement for this RAID case (3 total) in just a few years. No moving parts, they should last. This was just out of warranty, and they wouldn't help on that. I found both RAID Red drives showing red lights, testing bad. But fully functional. It is rare for both drives to fail at the same time. I bought a replacement for one, and tried mirroring it. The brand new sealed Red + drive tested bad and failed to initialize, while following WD support protocol. Support then recommended replacing the EX2 case instead/too. I did so, and both original drives tested good and the RAID is working fine so far. I have had 6 various WD hard drives fail, and three RAID cases fail. The point of ... MoreThis review is more overall, not just the latest EX2 Ultra experience. This is my second replacement for this RAID case (3 total) in just a few years. No moving parts, they should last. This was just out of warranty, and they wouldn't help on that. I found both RAID Red drives showing red lights, testing bad. But fully functional. It is rare for both drives to fail at the same time. I bought a replacement for one, and tried mirroring it. The brand new sealed Red + drive tested bad and failed to initialize, while following WD support protocol. Support then recommended replacing the EX2 case instead/too. I did so, and both original drives tested good and the RAID is working fine so far. I have had 6 various WD hard drives fail, and three RAID cases fail. The point of this is reliability for storage. In my experience, WD products are all iffy.
STRAIGHTFORWARD, RELIABLE, PEACE OF MIND!I'm a big fan of WD products. They are easy to set up and implement, reliable, and give me peace of mind when it comes to safekeeping all of my digital files. As a long-time customer, I have purchased and have been satisfied with their WD My Cloud Mirror product (which, after ten years, is still going strong), countless external hard drive storage devices (which have also been highly reliable), and now the My Cloud EX2 Ultra (which is functioning fantastically as a digital server, capable of streaming my 4TB of TV and Movie files). Great products and excellent customer support!
Since many reviewers complain about hardware-issues I wanted to present my experience.I have had my EX2 Ultra (8TB) for about 2 years and haven't had a single hardware related problem. No failed drives and no power-related problems. Even with repeated power failures the unit has always restarted correctly. I also think the build quality is really good and I'm very happy about the physical unit.However, I do not really like it's software-features and I think especially the cloud-features are garbage, at least compared to the older EX2-series.Before this I had an older EX2 (4TB) unit and I loved it. But as many others I was forced to replace my old, beloved, EX2 because of incompatibility with the new My Cloud OS 5. Unfortunately I didn't like the new os. Much of ... MoreSince many reviewers complain about hardware-issues I wanted to present my experience.I have had my EX2 Ultra (8TB) for about 2 years and haven't had a single hardware related problem. No failed drives and no power-related problems. Even with repeated power failures the unit has always restarted correctly. I also think the build quality is really good and I'm very happy about the physical unit.However, I do not really like it's software-features and I think especially the cloud-features are garbage, at least compared to the older EX2-series.Before this I had an older EX2 (4TB) unit and I loved it. But as many others I was forced to replace my old, beloved, EX2 because of incompatibility with the new My Cloud OS 5. Unfortunately I didn't like the new os. Much of the configuration is a bit too much "plug-and-pray", and I especially hated the new mobile app. Because of that I have since left mycloud completely and am now running my own home-made cloud solution instead. So currently my unit is an expensive LAN-NAS only.I am however a bit of a nerd and don't like being told what to do, so maybe take what I said whit a grain of salt. And I haven't used any of the features for about a year and a half so maybe they are better now.I still think it's a very good NAS.But if your are not going to use any of the cloud-features there are other, more priceworthy, alternatives.
Setup is very easy once you make contact with the drive. The online connection did not work. Instead use the MAC address and "arp -a" at a command prompt to find the IP address. Then http to that IP address. The 24TB drive came setup as 12TB RAID1, so remember the size is cut in half when ordering. Also, remember that Windows has a 128 character filename limitation so keep your directory names short. Set your WD username and password to the same username and password as Windows for automatic credential authentication access to your shares.
Serveral reasons: (1) doesn't use an easily removal caddy (plastic or metal) for the drives; (2) attaching side screws are only at the top, and not both top and bottom; (3) use of a screwed-in flashing to prevent the drives from moving should be used in conjunction with the disk caddies; (4) creation of a web-based file share is very awkward; (5) file sharing in general is cumbersome and difficult to setup; (6) no power button/switch - relies entirely with plugged into NAS assembly; (7) no shutdown function provided; (8) limited number of applications available; (9) majority of the so-called "free" applications either require a subscription, or a paid license; (10) customization of installed applications is cumbersome and awkward; (11) reset and/or factory ... MoreServeral reasons: (1) doesn't use an easily removal caddy (plastic or metal) for the drives; (2) attaching side screws are only at the top, and not both top and bottom; (3) use of a screwed-in flashing to prevent the drives from moving should be used in conjunction with the disk caddies; (4) creation of a web-based file share is very awkward; (5) file sharing in general is cumbersome and difficult to setup; (6) no power button/switch - relies entirely with plugged into NAS assembly; (7) no shutdown function provided; (8) limited number of applications available; (9) majority of the so-called "free" applications either require a subscription, or a paid license; (10) customization of installed applications is cumbersome and awkward; (11) reset and/or factory function(s) take far too long than other NAS manufacturers; (12) RAID with no spanning capability; and (13) limited amount of memory, nor is memory upgradeable. Compared to other NAS manufacturers (Synology, QNAP, Buffalo), WD's capabilities are very limited. Would NOT recommend said "NAS" device.
| Processor Manufacturer | Marvell |
| Processor Type | Armada 385 |
| Processor Model | 385 |
| Processor Core | Dual-core (2 Core) |
| Processor Speed | 1.30 GHz |
