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Seagate

Seagate Expansion STNP20000400

User Guide
External Power Adapter
Mac Operating Systems Supported
Windows Operating Systems Supported
Seagate Expansion STNP20000400, 20 TB, 3.5, Grey
Brand: Seagate•Product Family: Expansion
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At a Glance

Key highlights and verified hardware specifications

Detailed specs deep dive1 PDF manuals available
Weight
1.18 kg
Width
42.5 mm
Height
132.5 mm
Depth
189.5 mm
Hdd Size
3.5"
User Guide
User Guide
Lowest Price
£718.99
Andote Score
6.9/10
Price Tier Avg
6.8/10
Category Avg
6.8/10
Price Trend
Stable

Andote Analysis

Rated: 8 Nov 2026Evaluated at £718.99
Hardware6.9/10
Andote Score6.9/10
Score Deciding Factors6 Key drivers
•High-End Price Bracket£718
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 Width42.5
Significantly below category average benchmark4.3/10
!Modest Depth189.5
Entry-level benchmark rating limits overall score5.7/10
✕Limited Height132.5
Significantly below category average benchmark4.8/10
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:£718.99
Lowest:£718.99
Average:£723.99
Price is stablePrice has remained consistent in the recent past.
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About Seagate Expansion STNP20000400

Detailed specs deep dive
Official user manuals, spec sheets, and 1 PDF document are available for this model in the Detailed specs deep dive
Brand: Seagate • Model: Expansion STNP20000400Model: STNP20000400Hardware Score: 6.9/10Andote Score: 6.9/10Price-Tier Avg: 6.8/10Category Avg: 6.8/10

Massive storage up to 30 TB built for your growing digital life.. Backup, archive and keep media libraries all in one place. .. Simple and easy enough for daily use, but capable of supporting demanding tasks.. Ideal for desk-based workflows where accessing high-volume storage matters most.. USB-C connectivity supports simple setup across modern computers and workstations.. Comes with complimentary Seagate Rescue Data Recovery Services1.. Expansion desktop external hard drive. More photos, more memories, more you. Expansion desktop is a sleek 3.5-inch hard drive that offers reliable and secure high-capacity storage for photos, creative projects and the moments behind them. Simple enough for everyday use and powerful enough for demanding workflows, it also features USB-C connectivity and Rescue Data Recovery Services. Make room for more of what makes you, you.. Big space. More life.. Massive storage up to 30 TB built for your growing digital world.. Keep it together. Back up, archive and keep your growing media libraries in one place.. Compatible with you. Works with most Windows and macOS systems.. No fuss. No sweat.. Simple enough for daily use, but capable of supporting demanding tasks.. Saved for later. A long-term storage solution for important files, memories and media.. Instant connections. USB-C connectivity supports simple setup across modern workstations.. Big desk energy. Ideal for desk-based workflows where accessible, high-volume storage matters most.. Big space. More life.. More photos, more projects, more you. Expansion desktop makes room for it all with reliable, high-capacity storage for everything that matters.. More you. Expansion is built for more. From desk to pocket, the Expansion range always makes room for wherever life takes you next.. Hard drive. HDD capacity. 20 TB. HDD size. 3.5. Features. Product colour. Grey. Windows operating systems supported. Yes. Mac operating systems supported. Yes. Power. External power adapter. Yes. Weight & dimensions. Height. 132.5 mm. Packaging data. Cables included. Micro-USB to USB Type-C. User guide. Yes. Package width. 77.5 mm. Package depth. 235 mm. Package height. 225.5 mm. Package weight. 1.46 kg. Package type. Box. General. Product family. Expansion. Logistics data. Pallet net weight. 401.3 kg. Pallet net width. 121.9 cm. Pallet net length. 101.6 cm. Pallet net height. 102.8 cm. Master (outer) cases per pallet. 60 pc(s). Layers per pallet. 4 pc(s). Master (outer) case width. 228 mm. Master (outer) case length. 317 mm. Master (outer) case height. 244 mm. Master (outer) case net weight. 6.25 kg. Products per master (outer) case. 4 pc(s). Other features. Cable length. 0.8 m. leafletSeagate | Expansion desktop: Built for more of you

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£718.99
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