WD 4TB My Book USB 3.0 External Hard Drive

Trusted and loved high-capacity storage. Reimagined design.Compact outside. Powerful inside. Store massive amounts of photos, videos, music and documents with My Book desktopstorage.Complete BackupEquipped with WD Backup software for Windows and Apple Time Machine compatibility for Mac, the My Book desktop harddrive can back up your photos, videos, music and documents. The My Book desktop hard drive also works great withAcronis True Image WD Edition software to schedule full system backups.Password ProtectionWith built-in 256-bit AES Hardware Encryption with WD Security software, just set your own personalized password tohelp keep your content private and safe.WD ReliabilityMillions of people around the world trust their data to My Book desktop storage. Designed to meet WD's demandingrequirements for durability, shock tolerance and long-term reliability, we back up (pun intended!) the trusted My Bookdesktop storage with a 3-year limited warranty.