Keep all your photos, videos and files twice as safe and access them from anywhere with your computer, tablet and smartphone. Centralised, whole-home storage- mobile and remote web access- automatically duplicates content onto the second drive (Raid 1)- backs up PC and MAC computers- photo and video backup for smartphones and tablets- sync software to keep content up-to-date across all your computers- creates a common place for friends and family to share photos. 461 hours of video, 461 Divx movies. USB 3.0. Weight 2.1kg. Size H17.1, W9.9, L15.4cm. Manufacturers 2 year guarantee.