Features of WD My Passport Ultra 2.5 inch 1 TB External :-
With the WD Security features, you can password protect and encrypt your drive to keep prying eyes away from your files. The WD SmartWare Pro is an automatic backup feature that syncs your data and backs it up in the background, thereby keeping your data safe from corruption while using minimal PC resources. The drive backs up data to the cloud so that you always have an online copy of the files you choose to backup.
Backward Compatible with USB 1.1 or Hub, Scheduled Backup