The My Book™ Duo drive has massive capacity for storing photos, videos, documents and music. RAID-0 mode provides super-fast performance with up to 360MB/s2 sequential read speeds (using the USB Type-C™ port). Switch to RAID-1 configuration for redundancy and to mirror data on the WD Red™ drives inside. A USB Type-C port with all cables included makes it universally compatible (supports USB 3.1 Gen 1/3.0/2.0). Two USB 3.0 Type-A hub ports deliver flexibility for additional accessories.

Massive Capacity
The My Book™ Duo drive has up to 28TB1 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.

It's an impressive drive
The My Book Duo drive has massive storage for your massive media collection. With super-fast transfer rates, you can store or archive all your large files from DSLRs, action cameras, drones, and other devices.

USB 3.1 Ready, Plus USB 3.0 Hub Ports
Compatible with USB 3.1 and USB 3.0/2.0, 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.

The My Book™ Duo drive can serve as a quasi-docking station with 2x USB 3.0 Type-A hub ports for accessories, including additional storage, keyboard, and mouse, card readers, USBs, or phone sync and charge.

256-Bit AES Hardware Encryption and Password Protection
The My Book™ Duo drive comes with 256-bit AES Hardware Encryption with WD Security™ software built in to help keep private content secure. Set a personalized password to activate hardware encryption and data protection.

Hard drive
HDD capacity	44 TB
File format system	NTFS
Ports & interfaces
Maximum data transfer rate	5000 Mbit/s
USB connector	USB Type-A / USB Type-C
USB version	3.2 Gen 1 (3.1 Gen 1)
Thunderbolt technology	No
Wi-Fi	No
Ethernet LAN	No
USB data transfer rates	5000 Mbit/s
Weight & dimensions
Width	100 mm
Depth	160 mm
Height	180 mm
Power
External power adapter	Yes
Operational conditions
Operating temperature (T-T)	5 - 35 °C
Storage temperature (T-T)	-20 - 65 °C
Packaging data
Cables included	USB
User guide	Yes
Features
Product colour	Black
Security algorithms	256-bit AES
Cable lock slot	Yes
Cable lock slot type	Kensington
LED indicators	Yes
Windows operating systems supported	Windows 10, Windows 7, Windows 8.1
Mac operating systems supported	Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra
Logistics data
Harmonized System (HS) code	84717050