4TB storage capacity: Provides plenty of storage space for storing documents, photos, music and more.
USB 3.0 interface: Offers an easy-to-use connection to devices. Backward-compatible with USB 2.0 for simple connection to your computer.
Data transfer rates up to 5 Gbps with USB 3.0 :Enable a rapid response when updating files.
Automatic backup: WD Backupsoftware works quietly in the background to help preserve your data using minimal PC resources. Select an automatic, continuous or scheduled backup option to instantly back up your files.
WD Drive Utilities : Allows you to configure, manage and diagnose your drive.