The Western Digital My Passport Ultra External Hard Drive allows you to create an automatic cloud backup of your files on Dropbox. It has a 1 TB memory space that lets you store documents, videos, music and images with ease. Being slim and compact in design, this hard drive can be carried around easily. You can use it with PC and Mac systems without facing a compatibility issue. Featuring a data transfer speed of 5 Gbps via its USB V3.0 port, moving data to and from this device is a cinch.