WD 20TB My Book Duo Desktop RAID External Hard Drive - USB 3.1 - 2 x HDD Supported - 20 TB Supported HDD Capacity - 20 TB Installed HDD Capacity - RAID Supported - 0, 1, JBOD RAID Levels - 2 x Total Bays - 2 USB Port(s) - 2 USB 3.0 Port(s) - Desktop

256-Bit AES Hardware Encryption and Password Protection: The My Book Duo drive comes with 256-bit AES Hardware Encryption with WD Security software built in to help keep private content secure. Set a personalized password to activate hardware encryption and data protection. The My Book Duo drive can serve as a quasi-docking station with 2x USB 3.0 Type-A hub ports for accessories, including additional storage, keyboard, and mouse, card readers, USBs, or phone sync and charge. 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. RAID-Optimized WD Drives: The My Book Duo drive comes with RAID-optimized WD 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. USB 3.1 Ready, Plus USB 3.0 Hub Ports: Compatible with USB 3.1 and USB 3.0/2.0, 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. Massive Capacity: The My Book Duo drive has up to 36TB 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.