The My Book Duo drive has massive capacity for storing photos, videos, documents and music. RAID 0 mode provides super fast performance with up to 360MB/s2 sequential read speeds. Switch to RAID 1 configuration for redundancy and to mirror data on the WD Red drives inside. A USB Type C port with all cables included makes it universally compatible. Two USB 3.0 Type A hub ports deliver flexibility for additional accessories. The My Book Duo drive has up to 20TB1 capacity with a single cable. Free up valuable space on all your computers. Store and back up your photo, video and music collections, and important documents in one reliable place.