Disco WESTERN DIGITAL – My Book – 4 TB – USB-A 3.2 Gen 1

The Western Digital My Book external hard drive offers 4TB of desktop storage in a compact black enclosure. Designed for everyday backups and large media libraries, this 3.5" drive connects via USB 3.2 Gen 1 for fast transfers and broad compatibility with Windows and Mac systems. The drive comes preformatted in exFAT for out-of-the-box use and is covered by a 3-year limited warranty.

Advantages

The My Book 4TB provides high-capacity storage in a small footprint and supports fast data transfer over USB 3.2 Gen 1. It includes WD Backup software for Windows, is compatible with Apple Time Machine, and also works with Acronis True Image WD Edition for scheduled full-system backups. Built-in 256-bit AES hardware encryption and WD Security software allow setting a personalized password to protect private data. The drive is designed to meet WD reliability standards for durability and long-term use.

Suitable for

• Backing up photos, videos and music from desktop or laptop computers
• Archiving large document and media collections
• Users who need plug-and-play external storage with broad OS compatibility

Key specifications

• Capacity: 4 TB (4000 GB)
• Interface: USB 3.2 Gen 1 (compatible with USB 3.1/3.0)
• Form factor: 3.5" desktop HDD
• Preformatted: exFAT (may be reformatted for specific OS)
• Encryption: 256-bit AES hardware encryption with WD Security
• Compatibility: Windows 10/8/7 and Mac OS X El Capitan, Yosemite, Mavericks (reformatting may be required)
• Weight: 1 kg
• Colour: Black
• Warranty: 3-year limited warranty

How to use

Connect the My Book drive to a computer using the supplied USB cable. For most Windows and Mac systems the drive is ready to use immediately; if necessary reformat the drive to match your preferred file system. Install WD Backup for automated backups on Windows or use Time Machine on Mac to schedule regular backups. To enable data protection, install WD Security and set a personalized password which activates the drive's 256-bit AES hardware encryption.

Recommendations

Place the drive on a stable surface in a well-ventilated area and avoid moving it during read/write operations. Regularly verify backups and keep a secondary copy of critical data. Reformat only when required for compatibility with a specific operating system.