Can this external hard drive be configured in different RAID modes, and how easy is it to switch between them?

Yes, the WD My Book Duo can be configured in different RAID modes. It is RAID-0 ready out of the box and can be reconfigured to RAID-1 for redundancy (data mirroring) or used as two independent drives (JBOD) with the included WD Drive Utilities software.

What are the dimensions and weight of the My Book Duo, and is it suitable for desktop use in a limited space?

The dimensions of the My Book Duo are 7.09 inches x 3.94 inches x 6.30 inches, and it weighs 5.29 lbs.

Is the WD 24TB My Book Duo compatible with both Windows and Mac operating systems, and does it require any specific software for setup?

The WD 24TB My Book Duo is compatible with both Windows and Mac operating systems. However, it requires reformatting for use with macOS.

Seagate IronWolf 8TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s CMR 3.5" Internal HDD for RAID Network Attached Storage - ST8000VN004

(557)

$329^.99 –

$1,359^.09

$1,379.59

Free 30-day Returns

Limit 99999 per customer.

Sold by NothingButSavings

Top Rated

4.5 (9,017 seller ratings)

Shipped by NothingButSavings

Price alert

Add to Wish List

Best Sellers

BeachAudio

Top Rated

4.4 (8,586 total ratings)

$1,399^.18
+ FREE SHIPPING

Technology Galaxy

Top Rated

4.1 (2,361 total ratings)

$1,459^.45
+ FREE SHIPPING

Hot Deals 4 Less

Top Rated

4 (3,719 total ratings)

$1,547^.52

Meet Your Seller

NothingButSavings

See Seller Store

Get Educated

Make informed decisions with expert advice. Learn More

WD 24TB My Book Duo Desktop RAID External Hard Drive 256-Bit AES Encryption - USB 3.2 Gen1 (WDBFBE0240JBK-NESN)

(10) Write a Review

Capacity: 24TB

16TB
20TB
24TB

• Massive capacity storage with auto and system backup
• RAID-0 ready out of the box
• USB 3.2 Gen 1-ready, USB 3.0 compatibility
• 2x USB 3.2 Gen 1 / USB 3.0 hub ports
• 256-bit AES hardware encryption and password protection

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

Reviews (10)

See all Q & A

Any questions? Our AI mode will help you find out quickly.

Try me now

Model
Brand	WD
Series	My Book Duo
Model	WDBFBE0240JBK-NESN

Performance
Color	Black
Interface	USB 3.2 Gen 1 USB Type-C™
Capacity	24TB

Features
Features	Massive Capacity The My Book Duo drive has up to 28TB capacity with a single cable. Free up valuable space on all your computers. Store and back up your photo, video and music collections, and important documents in one reliable place. RAID-0 Ready Out of the Box Ready to perform at maximum speed and capacity in default mode, RAID-0. Reconfigure the drive to RAID-1 for redundancy (data mirroring), or use it as two independent drives (JBOD) with the included WD Drive Utilities software. RAID-Optimized WD Red Drives The My Book Duo drive comes with RAID-optimized WD Red drives inside to deliver high-speed, quality storage to rely on. RAID-optimized firmware is perfect for two-disk array systems with auto management of drive operations to help ensure read/write cycle data integrity. USB 3.1 Gen 1 Ready, USB 3.0 Compatibility Compatible with USB 3.1 Gen 1 and USB 3.0, the My Book Duo drive works to deliver high-speed connectivity no matter the interface. Includes both USB Type-C to Type-C and Type-C to Type-A cables.
System Requirements	Formatted NTFS for out-of-the-box compatibility with Windows Operating System: Windows 10, Windows 8.1/8.0 or Windows 7 operating systems macOS Mojave (10.14), High Sierra (10.13), or Sierra (10.12) operating systems (reformatting required) Note: Compatibility may vary depending on user's hardware configuration and operating system and requires reformatting for Time Machine

Dimensions & Weight
Dimensions	7.09" x 3.94" x 6.30"
Weight	5.29 lbs.

Packaging
Package Contents	Desktop RAID storage WD Discovery software for WD Backup, WD Security and WD Drive Utilities USB-C to USB-C cable USB-C to USB-A cable AC adapter Disk replacement tool Quick install guide

Additional Information
First Listed on Newegg	September 16, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
Read full details
CONTACT

Return Policies

Return for refund within: 30 days
Return for replacement within: non-replaceable
This item is covered by NothingButSavings Return Policy

Manufacturer Contact Info

For a directory of all our manufacturers, please click below.
Manufacturers Directory

Best Sellers

Meet Your Seller

Sponsored Products

WD 24TB My Book Duo Desktop RAID External Hard Drive 256-Bit AES Encryption - USB 3.2 Gen1 (WDBFBE0240JBK-NESN)

Learn more about the Western Digital WDBFBE0240JBK-NESN

Customer Reviews of the Western Digital WDBFBE0240JBK-NESN

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info

Item#: 9SIA6ZPM6S0879

Best Sellers

Meet Your Seller

Sponsored Products

WD 24TB My Book Duo Desktop RAID External Hard Drive 256-Bit AES Encryption - USB 3.2 Gen1 (WDBFBE0240JBK-NESN)

Learn more about the Western Digital WDBFBE0240JBK-NESN

Customer Reviews of the Western Digital WDBFBE0240JBK-NESN

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info