The WD My Cloud Home Duo 4TB Personal Cloud Storage has plenty of space to store multimedia content, work files, and back-ups. It can also automatically download files from various cloud services, including Dropbox and Google Drive, for added convenience. The WD My Cloud Home Duo Personal Cloud Storage can be configured through your mobile device by visiting mycloud.com/hello for a hassle-free setup. Built with two hard drives set to Mirror Mode, all saved files stored on one drive is also copied on the other to serve as fall-back copies. Equipped with a USB port, the My Cloud Home Duo storage can export/import files from/to USB flash drives and external hard drives with ease.