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Legal noticePrivacy notice

WD My Book Duo

44 TB
Price in EUR including VAT
EUR31,74/1TB
136Ratings
BrandMore from WD
Delivered between 30/1/2026 and 13/2/2026
free shipping

Memory Size6

Product details

The RAID 0 mode offers super-fast sequential read speeds of up to 360 MB/s (maximum speed when connected via USB Type-C). Switch to a RAID 1 setting with data mirroring if you want to store your data redundantly on the built-in WD Red hard drives. The USB Type-C port and the various included cables make the device universally usable (supports USB 3.1 Gen 1, USB 3.0, USB 2.0). Additional USB devices can be connected to the two USB 3.0 Type-A expansion ports.

Key specifications

Form factor
3.5"
Hard disk additional functions
Hardware encryption, Hot swapping
Exact USB ports
USB-A 3.2 Gen 1 (1x), USB-C 3.2 Gen 1 (1x)
USB ports
USB-A, USB-C
Write transfer speed
625 MB/s
Read transfer speed
625 MB/s
Number of hard disks included
2 x
Item number
23611677

General information

Manufacturer
WD
Category
External hard drives
Manufacturer no.
WDBFBE0440JBK-EESN
Release date
19/12/2022

Colour

Colour
Black
Exact colour description
Black

Data storage properties

Storage capacity
44 TB
USB ports
USB-A, USB-C
Exact USB ports
USB-A 3.2 Gen 1 (1x), USB-C 3.2 Gen 1 (1x)
Form factor
3.5"
Max. Speed
5400 RPM
File format
ExFat
Read transfer speed
625 MB/s
Write transfer speed
625 MB/s
Number of hard disks included
2 x
Hardware encryption
256-bit hardware encryption
Software included
WD Drive Utilities, WD Security
Hard disk additional functions
Hardware encryption, Hot swapping

Power supply

Power supply
Electrical connection, USB power delivery

Origin

Country of origin
China

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
AC adapter, Disc changing tool, USB cable

Product dimensions

Weight
2460 g
Height
180 mm
Width
100 mm
Length
180 mm

Legal Notice

Product Safety

Package dimensions

Length
28.80 cm
Width
23.60 cm
Height
16 cm
Weight
3.12 kg

14-day cancellation right
30-day right of return
24 Months statutory warranty
Report concern

Compare products

Goes with

Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «External hard drives» category have a defect within the first 24 months?

Source: Galaxus
  • 3.Intenso
    0,6 %
  • 3.Toshiba
    0,6 %
  • 3.WD
    0,6 %
  • 6.Adata
    0,7 %
  • 6.LaCie
    0,7 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • 3.Seagate
    3 days
  • 3.Toshiba
    3 days
  • 5.WD
    4 days
  • 6.SanDisk Professional
    6 days
  • 7.LaCie
    8 days

Return rate

How often is a product of this brand in the «External hard drives» category returned?

Source: Galaxus
  • 2.Adata
    0,9 %
  • 2.LaCie
    0,9 %
  • 4.WD
    1,1 %
  • 5.Toshiba
    1,3 %
  • 6.Verbatim
    1,4 %
Source: Galaxus