- Western Digital 4TB My Book Desktop External Hard Drive, USB 3.0 - WDBBGB0040HBK-NESN
From the manufacturer
My Book desktop storage comes equipped with WD Backup software and Time Machine compatibility* to help make sure your photos, videos, music and documents don’t get lost. You can set it to run automatically to your schedule. Just pick the time and frequency to back up important files from your system.