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Seagate

Seagate Expansion STKP20000400

External Power Adapter
Mac Operating Systems Supported
Windows Operating Systems Supported
Seagate Expansion STKP20000400, 20 TB, 3.5, 3.2 Gen 1 (3.1 Gen 1), Black
Brand: Seagate•Product Family: Expansion
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At a Glance

Key highlights and verified hardware specifications

Detailed specs deep dive2 PDF manuals available
Weight
1.18 kg
Width
41.9 mm
Height
178.8 mm
Depth
125 mm
Hdd Size
3.5"
Usb Version
3.2 Gen 1 (3.1 Gen 1)
Lowest Price
£489.18
Andote Score
6.8/10
Price Tier Avg
6.8/10
Category Avg
6.8/10
Price Trend
Falling

Andote Analysis

Rated: 8 Nov 2026Evaluated at £590.09
Hardware6.8/10
Andote Score6.8/10
Score Deciding Factors6 Key drivers
•High-End Price Bracket£590
High-end product priced in the upper bracketPremium Tier
✓High-End Power Consumption1V
Top-tier capability in this category10.0/10
✓Lightweight Weight1.18kg
Top-tier capability in this category9.7/10
✕Limited Width41.9
Significantly below category average benchmark4.3/10
!Modest Depth125.0
Entry-level benchmark rating limits overall score5.1/10
!Modest Height178.8
Entry-level benchmark rating limits overall score5.1/10
How We Calculate This Score

All parameters are evaluated as per the price. Our algorithm calculates each hardware specification's relative efficiency against peer products in the category based on its selling price, giving you an objective measure of value per pound. User ratings are not included in this calculation.

AI-powered analysis based on product specifications, price, and available data.

Price History

Current:£590.09
Lowest:£489.18
Average:£630.56
BuyCurrent price is £40.47 (6%) below typical price. Favorable timing to make a purchase!
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About Seagate Expansion STKP20000400

Detailed specs deep dive
Official user manuals, spec sheets, and 2 PDF documents are available for this model in the Detailed specs deep dive
Brand: Seagate • Model: Expansion STKP20000400Model: STKP20000400Hardware Score: 6.8/10Andote Score: 6.8/10Price-Tier Avg: 6.8/10Category Avg: 6.8/10

Easy-to-use desktop hard drive — simply plug in the power adapter and USB cable. Fast file transfers with USB 3.0. Drag-and-drop file saving right out of the box. Automatic recognition of Windows and Mac computers for simple setup (Reformatting required for use with Time Machine). Enjoy peace of mind with the included limited warranty and Rescue Data Recovery Services. The Seagate Expansion desktop drive provides extra storage for your files. Instantly add space, consolidate files to a single location, or free up space on your computer’s internal drive.. Expansion External Hard Drives & SSDs. Seagate offers easy-to-use solutions when you need to instantly add storage to your computer.. Hard drive. HDD capacity. 20 TB. HDD size. 3.5. Ports & interfaces. USB version. 3.2 Gen 1 (3.1 Gen 1). Features. Product colour. Black. Windows operating systems supported. Yes. Mac operating systems supported. Yes. Power. Bus powered. No. External power adapter. Yes. Weight & dimensions. Height. 178.8 mm. Packaging data. Package width. 208 mm. Package depth. 226 mm. Package height. 80 mm. Package weight. 1.34 kg. General. Product family. Expansion. leaflet. manual pdf

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£590.09
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