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WD My Cloud EX2 Ultra 4TB NAS Personal Cloud Storage Enclosure

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Quoting product code: A58UT


About this product


  • Two hard drive disk bays accept up to 16TB total storage
  • Supplied with two 2TB WD Red NAS hard drives
  • Manage files on iOS and Android via the My Cloud and WD Photos apps

Product overview

• Centralise your music, photos and videos in one location, which you can access from anywhere
• Two 2TB WD Red NAS hard drives provides you with a total of 4TB storage space
• Equipped with a Marvell ARMADA 385 1.3GHz dual-core processor and a 1GB DDR3 RAM for increased system performance and security
• Automatically backup your Microsoft Windows and Apple Mac computers to this NAS drive
• Secure your data storage on the NAS drive with RAID configurations, USB or cloud backups available
• Manage your files remotely on your Apple iOS or Android phone via the My Cloud and WD Photos apps
• Seamlessly link content between your Dropbox and this NAS drive, also compatible with Amazon S3 and ElephantDrive
• Manufacturer part number: WDBVBZ0040JCH-EESN

Expand your capacity beyond the 4TB offered
This My Cloud EX2 Ultra Networked Attached Storage (NAS) drive (manufacturer’s code: WDBVBZ0040JCH-EESN) is great for small businesses or homes where a central storage location for important files, media or documents is needed. Two 2TB WD red hard drives are supplied for a combined storage space of 4TB. These WD red drives have been specially designed for NAS drive use, for great reliability during 24/7 operations and demanding environments.

You can easily expand your space even further by replacing your hard drives with higher capacity ones. Alternatively, you can add an external USB drive into one of the USB 3.0 ports and instantly expand your storage. This provides you with a great amount of storage space for your files and gives you the ability to increase the storage even further to suit your needs.

What are the backup options I can use with this NAS drive?
Backing up computers couldn't be easier with WD SmartWare Pro for Window computers and compatibility with Apple Time Machine for Apple Mac computers. You can schedule backups to happen on a regularly basis for your most important files or for your whole computer has made a recent change, speeding up the backup process.

Nobody likes to lose files and it's even worse when the backup you have made turns out to have failed as well. To avoid such a situation, the My Cloud EX2 Ultra has been set a RAID 1 as a default. The second drive then copies the data stored on the first one. This supplies you with a contingency, so if any data is lost you have a backup ready. Since one of the drives is used as a mirror of the other, this reduces the stock storage space you have to just 6TB.

An added external USB device doesn't just have to be used to expand the amount of storage you have, you can dedicate the connected USB device as a backup location too. Similarly, integration with Amazon S3 and ElephantDrive cloud services allows you to back up data stored on the My Cloud EX2 or an EX4 you can also remotely back up data to that, no matter where it is in the world. This gives you a number of backup options to choose from, which is essential for businesses and anyone who does not want to lose important data.

Can I stream with this NAS drive?
With the built-in DLNA feature, you can enjoy high performance streaming, and the powerful NAS system makes streaming lag-free. Combined with the Plex Media Server, your HD content will be organised and prepared for streaming to your PC, smart TV, media device, game console, or other certified media player.

What are some of the other features?
Users can be created and then given access to the My Cloud EX2 Ultra and portions of the drive can be assigned to individuals or group - which is perfect for small businesses that want to use the My Cloud EX2 as a server for their employees. A UPS (uninterruptible power supply) can be connected to this NAS drive vis USB or network, which provides you with a temporary power source for your power source ever go out.

Support for iSCSI gives you the ability to make a virtual storage location for your computer, as your computer believes the drive created is a local hard drive. This allows you to manage storage over long distances and transfer data over a network rather than locally.

Rated 5 out of 5 by from Great piece of kit Excellent product. The NAS is actually a small ARM linux box, so you can login to it as root and manipulate it that way if you wish. Device is easy to set up and very quiet even when under load and the fan is running. Particularly like the iscsi target support which allows you to create iscsi targets which can then be mounted from other devices. Fully supports NFS too (although does not appear to be nfs4). Finally it seems to have docker installed too in case you want to run containers on it directly. Would definitely recommend. And I couldnt beat maplins price anywhere else too.
Date published: 2016-10-21
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PC Connection Type:


Technical Specifications


1.3 GHz Dual-Core Processor



Personal Cloud Storage Enclosure

Operating Specifications

Maximum Capacity:


Ethernet Speed:




Dimensions & Weight







Product Specifications

RAID Options:







256 bit AES



Password Protection:


Backup Software:

Remote backups
Hot swappable drives
WD SmartWare Pro
Apple Time Machine
Cloud-based backup series


Package Contents:

1 x My Cloud EX2 Ultra
1 x Ethernet cable
1 x Power supply
1 x Quick install guide




System Requirements & Software

Compatible Smart Device App:

My Cloud and WD Photos

Power Specifications

Power Supply:


Technical Specification


Is this drive compatible with Sonos?

Asked by: Oranaiche
Sonos will not recommend any brand.  I need to find a NAS that supports CIFS/SMB.  
Answered by: Oranaiche
Date published: 2017-04-06

The unit comes with 1Gb DDR ram memory. Can this be upgraded? if so what is the maximum?

Asked by: Bond006
RAM Upgrades are not supported by the manufacturer. They provide enough to run the NAS software on the device
Answered by: Dale
Date published: 2017-03-26

What is the throughput of data transfer over Ethernet connection? Also what is the hard drive model compatible with this NAS if I have to upgrade?

Asked by: Mani
The ethernet port is gigabit rated so can transfer files at that speed, but this would depend on your own network connections on your router and computer. This uses WD Red NAS Optimised drives
Answered by: Dale
Date published: 2017-03-21

can i take multiple backups from multiple computers

Asked by: tkm1
Yes, I am pleased to advise the item will support this use.
Answered by: Dominic
Date published: 2017-02-12

Can I upgrade the storage at a later date when buying the 4tb model? 

Asked by: Justin
Specification Capacity 4TB Maximum capacity 16TB Number of hard drives 2 x 3.5-inch drives (2TB in 2 bays) Maximum number of hard drives 2 x 3.5-inch drives (8TB in 2 bays) The unit ships with 2 x 2 TB, these can later be swapped for (up to) 2 x 8 TB if required
Answered by: Les
Date published: 2017-04-22
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