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Compare Corsair EX400U Survivor 2TB vs WD 20TB My Book Duo

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  2. External Drives
  3. Corsair EX400U Survivor 2TB 🆚 WD 20TB My Book Duo
The main differences between Corsair EX400U Survivor 2TB and WD 20TB My Book Duo are in Capacity, Disk Type, Interface and Portable.
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Corsair EX400U Survivor 2TB USB4 External SSD IP55 Rugged CSSD-EX400US2TB
Corsair EX400U Survivor 2TB
WD 20TB My Book Duo USB 3.1 WDBFBE0200JBK-NESN Black
WD 20TB My Book Duo
Prices
(Change region)
In Stock
$429.99
Last updated 31 minutes ago.
In Stock
Free shipping
$429.99
In Stock
Free shipping
$429.99
Prices
(Change region)
Out of Stock
$777.60
In Stock
$920.55
Last updated 26 minutes ago.
In Stock
Free shipping
$1,014.99
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* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.
Brand
Corsair
Brand
Western Digital
Model
CSSD-EX400US2TB
Model
WDBFBE0200JBK-NESN
Release Date
📅 October 2025
Release Date
📅 August 2017
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.13
Price/GB
$0.04
GB/$1
7.55
GB/$1
27.98
Capacity
2000 GB
Capacity
20000 GB
Disk Type
SSD
Disk Type
HDD 7200RPM
Interface
USB Type C 4.0 Gen 3x2
Interface
USB Type A 3.2 Gen 1
Color
Black
Color
Black
Portable
Yes
Portable
No

Comparison and key differences summary

Reasons to buy the Corsair EX400U Survivor 2TB:

  • 45% cheaper, you can save $347.61
  • Newer Product, it was released around 8 years later

Buy now

Reasons to buy the WD 20TB My Book Duo:

  • More Capacity (+18000 GB available)

Buy now

Have you found incorrect information on this page? Contact us and we will fix it as soon as possible.

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