20TB My Book Duo Desktop RAID. Product Title WD 20TB My Book Duo Desktop RAID External Hard Drive - USB 3.1 (WDBFBE0200JBKNESN). RAID Optimized WD Red™ Drives. RAID 0 Ready Out of the Box. WD Discovery™ software for WD Backup™, WD Security™ and WD Drive Utilities™.
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