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The My Book external hard drive is trusted desktop storage designed to complement your personal style with a massive amount of space to store your photos, videos, music, and documents. Equipped with password protection and perfectly paired with WD Backup or Apple Time Machine, My Book desktop storage helps keep your files safe.


  • Auto backup with included WD Backup software and Time
  • Machine Compatibility
  • Password protection with hardware encryption
  • Trusted storage built with WD reliability
  • USB 3.0 port; USB 2.0 compatible


  • Brand: WD
  • Hard Drive Capacity: 4 TB
  • Internal/External: External
  • Assembled Product Dimensions (LxWxH): 3.46 x 8.50 x 7.87 Inches