WD My Cloud EX2 Ultra 4TB Network Attached Storage (WDBVBZ0040JCH-NESN)

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Model Number: WDBVBZ0040JCH-NESN
Web Code: 10414463


Want easy access to all your digital content no matter where you go? The WD My Cloud EX2 Ultra is the answer. It keeps all your content in one centralized place that can be accessed securely from anywhere. How? By creating your own personal cloud storage. This makes it super easy to securely share files with friends and family whenever, wherever.
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In today's tech-focused world, it's easy to feel a bit lost or overwhelmed. Think about all your devices and the content that's spread across them. Pictures on your smartphone, games and apps on your tablet, movies on your laptop, important documents on your desktop PC. Having them all backed up and securely stored in one centralized location would make things a lot easier, right? That's where the WD My Cloud EX2 Ultra network-attached storage (NAS) device comes in.

By connecting to your network, the WD My Cloud EX2 Ultra not only keeps all your content safe in one place, it also makes it conveniently accessible from anywhere thanks to My Cloud, your personal cloud storage. Think about that for a sec. Say you're at work and realize you left an important file on your home computer. No worries, you can access it. Want to listen to some tunes on your phone that are saved on your tablet? Go ahead. Family members across the country asking for photos of the latest reunion? Share them in a flash.

Armed with the WD My Cloud EX2 Ultra, you're getting a lot more than enhanced security, convenience, and peace of mind. You're expanding your possibilities for accessing and sharing your content while simplifying and taking control of your digital world.

  • Centralized network storage: The WD My Cloud EX2 Ultra Network Attached Storage (NAS) solution offers personal cloud storage so you can conveniently store all your media securely in one centralized location. You also save on the subscription fees you'd have to pay with other cloud services.
  • Access from anywhere: Enjoy the freedom and convenience of securely accessing all your content remotely on your mobile device anytime, anywhere via MyCloud.com or the My Cloud mobile app.
  • Synchronized content: The WD Sync feature can automatically synchronize your content between your computers and My Cloud to ensure your media and files stay up to date and accessible through all your devices.
  • 4TB storage capacity: The WD My Cloud EX2 Ultra NAS offers a great deal of space for documents, music, games, videos, photos, and other media files. And with two USB 3.0 ports, you can plug in another drive for even more storage space.
  • Powerful performance: The Marvell ARMADA 385 1.3GHz dual-core processor with 1GB of DDR3 memory makes for ultrafast transfer speeds, smooth multitasking, and lag-free streaming.
  • Sharing made easy: With the My Cloud EX2 Ultra, it's a breeze to share your files and folders with friends and family on your My Cloud so they can easily download or upload content at any point.
  • Solid security: The My Cloud EX2 Ultra features 256 AES volume encryption to ensure your files are securely stored across your whole network.
  • Extra backup: This is a dual-bay device, meaning it has two hard drives so you can have your precious content stored on one and duplicated on another (RAID 1) for added security and peace of mind.
  • Personalized backups: Full access to WD SmartWare Pro backup software and Apple Time Machine allows both PC and Mac users to set up customized backups and decide when and where their content is saved.
  • PC/Mac compatibility: Whether you're a PC or Mac user, you'll find the perfect shared storage solution in the WD My Cloud EX2 Ultra.
Portable/ Desktop
4 TB
Drive Type
Network Attached Storage
Diskless or Populated
USB 3.0 x 2
Internal or External
Number of Bays
PC/Mac Compatibility
PC and Mac
System Requirements
Windows 10; Windows 8; Windows 7; Windows Vista operating systems; Mac OS X El capitan; Yosemite; Mavericks or Mountain Lion operating systems; DLNA UPnP devices for streaming; Pouter for Internet connection


Dimensions (cm)
9.9 (W) x 17.14 (H) x 15.49 (D) cm
Dimensions (in)
3.9 (W) x 6.75 (H) x 6.1 (D) in
Product Weight
1.6 kg
  • NAS
  • Ethernet cable
  • Power supply
  • Quick install guide

  • Difficult setup...still not working

    from Calgary, AB on April 14, 2019

    Setup from the start was difficult. After completion of setup steps, login does not work so can't access the unit by admin. Sign in with user account, Network can't find device name. Certificate error. I lack networking experience and doubt this will be usable for what it was intended. Seems to be only for IT experts. Very disappointing. I expected setup process to address certificate exchange and whatever else would be required.

  • These are 2 TB drives

    from Whitby, ON on February 26, 2019

    Ordered online and shipping was really fast. But the capacity of the drive is misleading. It contains 2 x 2 TB not 2 x 4 TB drives. They should change their description and literature to mention the actual size. Even the picture shows a 4 TB drive on one slot.

  • So Easy

    from Best Buy US on October 5, 2018

    This is very easy to install and very easy to use.

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