WD 4TB Black My Passport  Portable External Hard Drive – USB 3.0 – WDBYFT0040BBK-WESN

Auto backup with included WD Backup software

Password protection with hardware encryption

Reimagined design

Trusted drive built with WD reliability

USB 3.0 port; USB 2.0 compatible. SYSTEM COMPATIBILITY: Windows 10, Windows 8, Windows 7. Requires reformatting for Mac OS X operating system.

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