Cloud Storage / NAS My Cloud Expert Series EX4100
from WD

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Centralize Your Media And Content In One Safe, Organized Place

Save all your valuable photos, videos, music and files on this ready-to-go, high-performance NAS solution for secure access to them from anywhere with an internet connection. 

Product Details

Faster Speed, Better Streaming
Powerful Marvell ARMADA 388 1.6GHz dual-core processor and 2GB DDR3 memory for ultra-fast transfer speeds of 114MB/s upload and 108MB/s download for brilliant media streaming.

Access From Anywhere
Save, access and stream your content anywhere you have an internet connection with the My Cloud mobile app or MyCloud.com web access.

Robust Data Protection
Multiple RAID and backup options to help protect all your valuable media, photos and important files.

Powered By My Cloud OS 5
WD's My Cloud OS 5 comes with a variety of tools and apps to give you complete control of your media.  Create a custom folder to share your favorite content. Automatically sync your data between all your computers, so you know your content is always up-to-date. And easily transfer content between your NAS and a supported cloud service like Dropbox, or Google Drive.

Centralize, Organize And Beautifully Stream With Plex
The Plex Media Server keeps all your photos, videos and music beautifully organized and prepared for streaming to your PC, mobile device, game console, or other certified media player. Enrich your media with plot summaries, posters, album covers and enjoy it from home or on the go.

Simplified File And Folder Sharing
Easily customize how you share by using public or private links. With a public link, you can share your content so anyone can see it. Using a private link, you can grant a user limited or full-access and securely collaborate with anyone. 

Up And Running In Minutes
My Cloud EX4100 comes preconfigured to get you set up and on your way without any hassle. The intuitive dashboard guides you through the process of setting up users and shares, customizing system features and monitoring your storage. And with a toolless and trayless drive bay design, drive installation and hot swap is effortless.

Auto Backup For All Your Computers
With WD SmartWare Pro backup software, you can customize when and where the content on all the PCs on your network is saved, while Mac users have full access to Apple Time Machine for personalized backup. You can even automatically back up your data to a separate My Cloud NAS device, or any supported cloud service.

Third-party App Support
My Cloud EX4100 supports a full suite of popular applications for a personalized experience. Using apps like Plex, Dropbox, WordPress and more, you can customize your NAS for your own specific needs.

Featuring Ultra-reliable WD Red NAS Drives
My Cloud EX4100 comes pre-configured with WD Red hard drives, specifically built for NAS systems to provide improved performance within 24x7 environments. The My Cloud EX4100 is also available in a diskless version, so you can create a custom NAS with compatible hard drives.

Volume Encryption
Equipped with 256 AES volume encryption, it helps to secure your stored files across your entire network. Whether you’re using a PC or a Mac, your content is protected.

Multiple RAID Options
With the RAID settings of the My Cloud EX4100, you can customize your system with the configuration that’s best for you. Use RAID 0 for enhanced performance, RAID 1 for mirrored data protection, or a JBOD / spanning structure for non-RAID configurations.

Full Specifications

Capacity
0 TB
Interface
  • USB 3.0
  • Gigabit Ethernet
Connector
  • USB-C
  • Ethernet RJ45
Compatibility

System Requirements
Windows® 8/8.1, Windows 7 or Windows Vista® operating systems
macOS Mojave, High Sierra, Sierra, El Capitan, Yosemite, Mavericks or Mountain Lion operating systems
DLNA®/UPnP devices for streaming
Router with an Internet connection

Supported Browsers
Internet Explorer® 10 or higher
Safari 6 or higher
Firefox® 30 or higher
Google Chrome™ 31.0 or higher on supported Windows and Mac OS platforms

Compatibility may vary depending on user’s hardware configuration and operating system.

Dimensions (L x W x H)
9.13" x 6.69" x 7.56"
In The Box
  • My Cloud Expert Series EX4100 Device
  • Ethernet cable
  • Power supply and cable
  • Quick Install Guide
Additional Details
  • Processor: ARM Dual Core 1.6 GHz
  • Operating relative humidity: 8% to 90%
  • Non-operating relative humidity: 5% to 95%
  • Battery: Yes

Product Numbers

0 TB
WDBWZE0000NBK-NESN
8 TB
WDBWZE0080KBK-NESN
16 TB
WDBWZE0160KBK-NESN
24 TB
WDBWZE0240KBK-NESN
32 TB
WDBWZE0320KBK-NESN
40 TB
WDBWZE0400KBK-NESN
56 TB
WDBWZE0560KBK-NESN

Software Downloads

My Cloud OS 5

My Cloud OS 5 features our latest security updates, enhanced data privacy, improved connectivity reliability, a modern mobile and web app experience, and improved photo/video viewing and sharing capabilities. Use the mobile or web app to remotely access and share files, photos and videos you save on your My Cloud NAS from anywhere with an Internet connection. 

Learn more

Plex Media Server

If you haven’t already tried PLEX, you’re going to love how it can help bring your content to life, on any screen anywhere in the world. Whether it’s your photos, videos or music, PLEX not only makes it possible to enjoy that content anywhere, but helps you keep things organized on your drive.

Learn more

Third-Party App Support

My Cloud Series NAS supports a full suite of popular applications for a personalized experience. Using apps like Plex, Dropbox, WordPress and more, you can customize your NAS for your own specific needs.

Learn more

Ratings & Reviews