WD My Cloud Expert Series EX2 Ultra 4TB 

High-Performance Storage to Save, Stream and Share Anywhere

Keep your media safe in a single place on this high-performance Network Attached Storage (NAS) device, and access and stream it from anywhere with an internet connection.

Centralized Network Backup

Back up and organize high volumes of content from multiple computers, smartphones, and tablets on your My Cloud EX2 Ultra, on your own private network, and without costly subscriptions.

Access from Anywhere

Save, access and stream your content anywhere you have an internet connection with the My Cloud OS 5 mobile app or MyCloud.com web access.

Simple to Setup, Easy to Use

The My Cloud EX2 Ultra can be quickly found on your network and installed over the web, making the setup process simple and intuitive. And with tool-less, tray-less drive bays, you’re able to easily add or replace hard drives in a matter of moments.

Robust Data Protection

The available Acronis True Image for Western Digital software delivers easy, efficient, secure cyber protection, integrating award-winning backup with an AI-based defense against ransom ware and crypto jacking attacks. The Acronis True Image for Western Digital software backs up everything from operating systems and applications to settings and individual files, with support for both PC and Mac machines.

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

Designed For Smooth Streaming

Upgraded with the powerful Marvell ARMADA 385 1.3GHz dual-core processor, you’ll get ultra-fast transfer rates for high performance streaming. It also comes with 1GB of DDR3 memory, so you can multitask with ease. The downloadable 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.

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.

Featuring Ultra-reliable WD Red NAS Drives

My Cloud EX2 Ultra comes pre-configured with WD Red hard drives, specifically built for NAS systems to provide improved performance within 24×7 environments. The My Cloud EX2 Ultra 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 EX2 Ultra, 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.

Third-party App Support

My Cloud EX2 Ultra supports a full suite of popular applications for a personalized experience. Using apps like Plex, Dropbox, Word Press and more, you can customize your NAS for your own specific needs.

WD 4TB My Cloud Expert Series EX2 Ultra Specifications