• Strong feature set
  • Ten PC client backup licenses
  • Power and ethernet failover
  • DLNA server and iTunes support


  • Very slow read/write performance
  • No provision for folder syncing
  • No locks on drive trays

At A Glance

The My Cloud EX4 has all the features you want in a four-bay NAS and is priced right, provided that you accept its performance deficiencies.

Manufacturer’s Description

Ultimate reliability from the trusted name in storage. Built from the ground up with the quality and reliability you've come to expect from WD, My Cloud EX4 is a high-performance, four-bay NAS for your home or small office. It offers a robust all-metal enclosure, multiple RAID volumes, easy drive installation and a full suite of apps for the power and flexibility to expand your NAS features.

Manufacturer’s Website

WD My Cloud EX4