Massive Capacity The My Book Duo drive has up to 20TB2 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.RAID-Optimized WD Red Drives The My Book Duo drive comes with RAID-optimized WD Red drives inside to deliver high-speed, quality storage to rely on. RAID-optimized firmware is perfect for two-disk array systems with auto management of drive operations to help ensure read/write cycle data integrity.RAID-0 Ready Out of the Box Ready to perform at maximum speed and capacity in default mode, RAID-0. Reconfigure the drive to RAID-1 for redundancy (data mirroring), or use it as two independent drives (JBOD) with the included WD Drive Utilities software.USB 3.1 Gen 1 Ready, USB 3.0 Compatibility Compatible with USB 3.1 Gen 1 and USB 3.0, the My Book Duo drive works to deliver high-speed connectivity no matter the interface. Includes both USB Type-C to Type-C and Type-C to Type-A cables.INTERFACE USB 3.1 Gen 1 Type-C up to 10GB/s USB 3.0 Type-A up to 5GB/s Power Supply (DC in)KIT CONTENTS ⢠Desktop RAID storage ⢠WD Discovery software for WD Backup, WD Security and WD Drive Utilities ⢠USB-C to USB-C cable ⢠USB-C to USB-A cable ⢠AC adapter ⢠Disk replacement tool ⢠Quick install guide