Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black

Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black

Brand Seagate

From

£345.40

Free delivery

You save £29.19 (8%)

4 offers at 4 retailers

Listed since 7 April 2026

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ComputersDeal

£345.40

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PcNova.co.uk

£345.40

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GamingKit

£352.31

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Quzo UK

£374.59

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Description

Seagate Expansion desktop drive, add-on storage for your PC and MacThe Seagate Expansion desktop drive provides extra storage for your ever-growing collection of files. Instantly add space for more files, consolidate all of your files to a single location, or free up space on your computer’s internal drive to help improve performance.Setup is straightforward; simply plug in the included power supply and USB cable, and you are ready to go. It is automatically recognized by the Windows® or Mac operating system, so there is no software to install and nothing to configure. Saving files is easy too—just drag-and-drop.Take advantage of the fast data transfer speeds with the USB 3.0 interface by connecting to a USB 3.0 port.Plus, Seagate Expansion comes with Rescue Data Recovery Services for additional peace of mind.

Specifications

HDD capacity 12 TB
HDD size 3.5"
Thunderbolt technology No
Wi-Fi No
Ethernet LAN No
USB version 3.2 Gen 1 (3.1 Gen 1)
Product colour Black
Windows operating systems supported Windows 10
Mac operating systems supported Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina
Bus powered No
External power adapter Yes
Width 41.9 mm
Depth 125 mm
Height 178.8 mm
Weight 1.18 kg
Cables included USB
User guide Yes
Package width 212 mm
Package depth 77 mm
Package height 218 mm
Package weight 1.34 kg
Harmonized System (HS) code 84717050

Full specifications

Marque Seagate
Référence fabricant stkp12000400
EAN 3660619040445

Why choose the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black in 2026?

The Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black is one of the most searched products in the Informatique category in 2026. Offered by Seagate, it is aimed at those looking for a reliable product at the best price. Our comparison tool lists all available offers from partner retailers to help you make the right choice without overspending. Comparison is free and requires no registration. In a few seconds, you can access all current offers to find the most competitive price.

Technical analysis of the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black

Among the main strengths of the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black, the most notable are its competitive pricing from £345.4 and the recognition of the Seagate brand. Buyers who have already used this type of product in the Informatique category generally highlight the effectiveness of the core functions and ease of maintenance. It is a product that suits both first-time buyers and those replacing existing equipment, with a short learning curve and stable performance over time.

What the tech specs reveal

The Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black spec sheet details the specifications that make a difference in daily use. For a savvy buyer, this data allows objective comparison with other products in the Informatique category. Seagate publishes precise specifications that make comparison easier and help you make an informed purchase decision. Consult the technical specifications table on this page for full details. The Seagate Basic external hard drive 5 TB 2.5" 3.2 Gen 1 (3.1 Gen 1) Silver from the same brand may also interest you for a direct comparison.

In practice day to day

In daily use, the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black is designed to fit easily into the regular habits of Informatique users. Seagate has optimised this model for regular use, with accessible features and simplified maintenance.

Market price ranges in 2026

RangeIndicative price
Entry-levelUnder 384300 £
Mid-range384300 £ to 896710 £
High-endOver 896710 £

Before buying the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black, remember to check the total price including delivery costs. On Compiral, sorting by total price lets you immediately identify the best offer among all listed retailers. Comparing return conditions and the warranty period offered by each retailer is also a good habit before finalising your order in the Informatique category.

Frequently asked questions about Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black

Is the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black in stock?

Stock availability for the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Informatique category.

Where can I buy the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black at the best price?

To buy the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black at the best price, compare all available offers in our table at the top of this page. The 4 offers listed include delivery costs to give you the true total cost. Sort by ascending price and filter by free delivery to quickly identify the best deal among our verified partner retailers.

How does the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black compare to competitors in the Informatique category?

In the Informatique category, the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.

Is the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black suitable for beginners?

Yes, the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black is generally appreciated by both beginners and regular users of the Informatique category. It is quick to set up and Seagate usually provides clear documentation. If you are new to this product category, consult the spec sheet on this page to identify the key criteria to check before making your choice.

Is there a refurbished version of the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black?

Refurbished versions of the Seagate Expansion STKP12000400 external hard drive 12 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.

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