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PSUs

ATX power supplies: fully modular, 80+ rated units for your build.

468 products

As of 20 October 2026, 233 have an in-stock UK price, mostly between £42.95 and £210.31, and half cost under £104.99. Most popular this month: Corsair HXi Series HX1500i 1500W ATX 3.1 PCIe 5.1 Cybenetics Platinum Modular Power Supply from £279.99 at AWD-IT.

PSU calculator: what wattage do you need?

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Best month to buy PSUs

Cheapest so far in August, at −3.6% against its usual price.

  • Aug−3.6%
  • Sep0.0%
  • Oct+3.0%

Based on 3 months of our own price readings so far. With under a year of history this shows how prices have moved since we started, not yet a pattern that repeats every year.

Every category in the UK price index

PSUs prices: common questions

What is the most popular power supply on VantaSpec right now?
Corsair HXi Series HX1500i 1500W ATX 3.1 PCIe 5.1 Cybenetics Platinum Modular Power Supply, from £279.99 at AWD-IT, going by what visitors view and click through to buy over the last month.
How much does a power supply cost in the UK?
Of the 233 PSUs with a current in-stock price, half cost under £104.99. The middle 80% run from £42.95 to £210.31. We count only prices marked in stock and read in the last 14 days.
Which UK shops sell PSUs?
We have current in-stock prices for PSUs from 10 UK retailers: AWD-IT, CCL Computers, Overclockers UK, Currys, Corsair, Scan, Novatech, MSI, Box and Ebuyer.