WD My Book WDBBGB0220HBK-EESN - Hard drive - 22 TB - external (desktop) - USB 3.2 Gen 1. Secure your precious memories on My Book desktop storage. This USB 3.0 drive is optimized for the fastest possible data transfer rates and features complete protection for your files. WD SmartWare pro automatic backup software protects your precious memories, while Acronis true image WD edition helps ensure the security of all the information on your PC. Password protection with hardware encryption keeps your private stuff private.