Seagate · External Hard Drive

Seagate Expansion STKP4000400 external hard drive price in United Kingdom

Model STKP4000400MPN STKP4000400EAN 763649160633EAN 3660619040407

Storage4 TB
Weight1.18 kg
ColourBlack
USB version3.2 Gen 1 (3.1 Gen 1)

Lowest price incl. delivery

£159.99

at Back to the OfficeFree deliveryIn stock

3 stores
Range £159.99 – £185.96
Save up to £25.97 vs. the dearest store
3 in stock
2 with free delivery
Checked 5 Oct 2026, 18:25 UTC

Go to Back to the Office See all 3 offers

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Full specifications and side-by-side comparison

Prices in United Kingdom

3 stores · prices in GBP · updated 5 Oct 2026, 18:25 UTC

Lowest price£159.99at Back to the Office · free shippingGo to Back to the Office

Price range across 3 offers

Save up to £25.97 (14%) by choosing the cheapest store

3 of 3 stores in stock
2 with free shipping
Checked 5 Oct 2026, 18:25 UTC

Back to the OfficeLowest priceSeagate Expansion STKP4000400 external hard drive 4 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black In stockFree shipping
£159.99incl. free shipping
Go to store : Back to the Office (opens in a new tab)
PCHUB.UKSeagate Expansion STKP4000400 external hard drive 4 TB 3.5" 3.2 G In stockFree shipping
£184.88incl. free shipping+£24.89 (16%) vs lowest
Go to store : PCHUB.UK (opens in a new tab)
PcNova.co.ukSeagate Expansion STKP4000400 external hard drive 4 TB 3.5" 3.2 G In stockShipping not stated
£185.96item price, shipping extra+£25.97 (16%) vs lowest
Go to store : PcNova.co.uk (opens in a new tab)

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 5 Oct 2026, 18:25 UTC, and can change at any time. Taxes are included only where the store includes them.

Price history in United Kingdom

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Product details

Identification

Brand: Seagate
Product: Expansion STKP4000400 external hard drive
Full name: Seagate Expansion STKP4000400 external hard drive 4 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black
Manufacturer part number: STKP4000400
EAN / UPC: 763649160633, 3660619040407
Category: External Hard Drive

22 specifications from the manufacturer's data sheet

Hard drive

HDD capacity	4 TB
HDD size	3.5"

Ports & interfaces

USB version	3.2 Gen 1 (3.1 Gen 1)
Thunderbolt technology	No
Wi-Fi	No
Ethernet LAN	No

Features

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