Product Type | External Desktop Hard Drive |
Form Factor | 3.5-inch |
Storage Capacity | 4 TB |
Interface | USB 3.2 Gen 1 |
Enclosure Color | Black |
Included Backup Software | WD Backup Software |
Security Features | Password Protection and Hardware Encryption |
Power Requirements | External AC Adapter (Included) |
Warranty | 3-Year Limited Warranty |
Operating System Compatibility | Windows 10 or later, macOS 11 or later (reformatting may be required for macOS) |
Western Digital My Book 4TB USB 3.2 Desktop Hard Drive
Key Benefits

AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Combines large 4TB capacity with automatic backup, providing peace of mind for personal or professional data storage.
- USB 3.2 interface ensures fast file transfers, enhancing workflow efficiency and reducing downtime.
- Backed by a 3-year limited warranty, offering long-term assurance for users seeking durable storage solutions.
Product Overview
The Western Digital My Book 4TB Desktop Hard Drive offers a dependable and high-capacity storage solution for personal and professional data management. Featuring USB 3.2 connectivity, it enables fast data transfer while maintaining wide compatibility with systems running Windows 10+ and macOS 11+. With its compact form factor measuring 1.93 inches in width, 5.48 inches in depth, and 6.72 inches in height, the device is designed to fit neatly on any desktop setup.
Equipped with password protection and auto backup software, the My Book helps users safeguard valuable data securely and efficiently. The unit operates reliably within a temperature range of 5°C to 35°C and includes a 3-year limited warranty for added peace of mind. Manufactured in Thailand, it is best suited for commercial and personal use where TAA compliance is not a factor.
Whether used to archive multimedia content or to back up documents, the Western Digital My Book 4TB delivers robust storage performance and long-term reliability.
Specifications
Product Overview
Physical & Environmental
Width | 1.93 in (49 mm) |
Depth | 5.48 in (139.3 mm) |
Height | 6.72 in (170.6 mm) |
Weight | 2.20 lbs (1.00 kg) |
Minimum Operating Temperature | 5°C (41°F) |
Maximum Operating Temperature | 35°C (95°F) |
Non-Operating Temperature Range | -20°C to 65°C (-4°F to 149°F) |
Operating Humidity | 5% to 95% non-condensing |
Shock Resistance (non-operating) | 250 G, 2 ms half-sine |
Shock Resistance (operating) | 30 G, 2 ms half-sine |
Cloud Management & Licensing
Cloud Backup Support | Supports WD Backup to Dropbox |
Software Licensing | Included with device (no subscription required) |
Management Interface | WD Discovery Software |
Software Features | Backup, Drive Management, Security Configuration |
Interfaces
Interface Type | USB 3.2 Gen 1 (USB 3.0 Compatible) |
Connector Type | USB Type-B |
Compatible USB Versions | USB 2.0, USB 3.0, USB 3.1, USB 3.2 |
Data Transfer Rate | Up to 5 Gbps (USB 3.2) |
Number of USB Ports | 1 |
Bus Powered | No (requires external power supply) |
Compliance & Origin
Country of Origin | Thailand |
TAA Compliant | No |
RoHS Compliant | Yes |
CEC Level VI Power Supply Compliance | Yes |
Certifications | CE, FCC, UL, TUV, VCCI, BSMI, RCM, KC |
Advanced Security Features
Encryption Type | 256-bit AES Hardware Encryption |
User Management | Password Protection for Local Access |