Manufacturer | Western Digital |
Product Name | WD 20TB My Book Duo Desktop RAID External Hard Drive USB 3.1 |
Model | My Book Duo |
Type | Desktop RAID External Hard Drive |
Form Factor | Desktop |
Storage Capacity | 20 TB |
Power Supply | External AC Adapter (included) |
RAID Support | RAID 0 (default), RAID 1, JBOD |
Pre-Configured RAID Mode | RAID 0 |
Operating System Compatibility | Windows 10 and higher (reformatting required for macOS) |
Warranty | 3-Year Limited Warranty |
Product UPC | 718037856919 |
WD 20TB My Book Duo Desktop RAID External Hard Drive USB 3.1
Key Benefits

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- Offers massive 20TB capacity—ideal for professionals handling large media assets or backups.
- RAID configuration flexibility enhances performance or data protection depending on user needs.
- 3-year limited warranty ensures long-term investment protection and peace of mind.
Product Overview
The WD 20TB My Book Duo Desktop RAID External Hard Drive delivers massive storage capacity in a compact, desk-friendly design, making it ideal for data-intensive professionals. Featuring a USB 3.1 interface for high-speed transfers and pre-configured RAID-0 performance (with RAID-1 option for redundancy), it supports seamless workflows with systems running Windows 10 and above. Physical dimensions (6.3" x 3.94" x 7.09") and a weight of 5.2 lbs. ensure easy placement in studios or office environments. Operating within 5°C to 35°C and backed by a 3-year limited warranty, it offers peace of mind for long-term use. Made in Malaysia or Thailand, this drive is tailored for dependable local backup with scalable capacity.
Specifications
Product Overview
Physical & Environmental
Width | 6.3 inches (160 mm) |
Depth | 3.94 inches (100 mm) |
Height | 7.09 inches (180 mm) |
Weight | 5.2 lbs. (2.36 kg) |
Operating Temperature (Min) | 5°C |
Operating Temperature (Max) | 35°C |
Non-Operating Temperature Range | -20°C to 65°C |
Operating Humidity | 5% to 95% non-condensing |
Shock Tolerance (Non-Operating) | 250G, 2ms |
Cooling Method | Internal Fan |
Cloud Management & Licensing
Software Included | WD Discovery, WD Backup, WD Drive Utilities |
Password Protection | Yes |
256-bit AES Hardware Encryption | Yes |
Management Interface | WD Drive Utilities |
Interfaces
Interface Type | USB 3.1 Gen 1 |
USB Ports | 1 x USB 3.1 Gen 1 (USB Type-C to Type-A cable included) |
Auxiliary Port(s) | 2 x USB 3.0 Hub Ports |
Data Transfer Rate | Up to 5 Gb/s (USB 3.1 Gen 1) |
Drive Interface | SATA |
Compliance & Origin
Country of Origin | Malaysia / Thailand |
TAA Compliant | No |
RoHS Compliant | Yes |
Certifications | CE, FCC, UL, TUV, RCM, VCCI |
Advanced Security Features
Encryption | 256-bit AES Hardware Encryption |
Password Protection | Yes |
Drive Lock Functionality | Yes |