Head to head

WD My Book 26TB vs Seagate Expansion Desktop 20TB

Our pick

WD My Book 26TB

Single-Drive Desktop External Drives

Why this one

Choose the My Book 26TB for a large desktop archive or backup collection, with space near a power outlet for its AC adapter.¹
It arrives formatted exFAT for Windows 10 or later and macOS 11 or later, making it a practical shared-file option across supported computers.¹

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Product photographs. Not to scale.

What Seagate Expansion Desktop 20TB offers

The Seagate Expansion Desktop 20TB provides 20TB for an expanding desktop archive, with an included power adapter and USB-A cable that keep the required connections in the box.²

2 models / at a glance

Key differences

Every specification ↗

WD My Book 26TB

Capacity · TB26 TB¹Higher preferred ↑

Seagate Expansion Desktop 20TB

Capacity · TB20 TB²Higher preferred ↑

What differs

Specification	WD My Book 26TB	Seagate Expansion Desktop 20TB
Capacity	26 TB¹	20 TB²
Operating system support	Formatted exFAT for out-of-the-box compatibility: Windows® 10+ \| macOS 11+¹	Windows ® 10 or higher, or Mac OS ® X 10.12 or higher operating system²
Included backup software	Acronis® True Image™ for Western Digital¹	Toolkit backup software²

More details

Specification	WD My Book 26TB	Seagate Expansion Desktop 20TB
Hard drive or SSD	Hdd³	Hdd²
Warranty	3 years⁴	Not published
Hardware encryption	Yes¹	Not published
Password protection	Yes¹	Not published
USB interface	USB 3.0³	USB 3.0²

WD My Book 26TB vs Seagate Expansion Desktop 20TB

WD My Book 26TB

Why this one

What Seagate Expansion Desktop 20TB offers

Key differences

WD My Book 26TB

Seagate Expansion Desktop 20TB

What differs

More details

Read the full reviews

Sources