Housed in a case made from aluminum alloy, weighing just 4.8 oz, and compatible with Windows and Mac, the 2TB StoreJet 25C3 USB 3.0 External Hard Drive from Transcend allows you to store and back up your files, such as photos, videos, music, documents, and more using its USB 3.0 interface, which is backwards compatible with USB 2.0. Power is provided via the USB bus, and using Transcend's Elite software, which is available as a free download, additional features are provided, such as backup and restore, encryption and decryption, and cloud backup, which will allow you to back up files on cloud solutions, including Dropbox and Google Drive, to the StoreJet 25C3.