Best Power Supplies Deals Online in the UK (24 Deals Found)

Last Updated - 24/09/2026 Sort By:

Best Choice
MSI

New
MSI MAG A850GL PCIE5 Power Supply Unit, 850W, 80 Plus Gold, Fully Modular, ATX 3.0, PCIe 5.0 GPU Support, Black Flat Cab
80 PLUS GOLD CERTIFIED – An efficient power supply reduces energy consumption and heat load of the system. 80 PLUS Gold

£99.98 £129.99
13% Off
Corsair

New
CORSAIR RM850e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybene
Fully Modular PSU: Reliable and efficient, low-noise power supply with fully modular cabling, so you only have to connec

£99.98 £114.99
New
Mean Well SP-750-24 Power Supply 31.3A
Brand new in the box.

£69.99
18% Off
MSI

New
MSI MAG A750GL PCIE5 Power Supply Unit, 750W, 80 Plus Gold, Fully Modular, ATX 3.0, PCIe 5.0 GPU Support, 120mm FDB Fan,
80 PLUS GOLD CERTIFIED - An efficient power supply reduces energy consumption and heat load of the system. 80 PLUS Gold

£89.99 £109.99
New
T.F.SKYWININDL Modular power Supply 400w Flex-Atx PSU for ITX Mini PC 1U Ac
T.F.SKYWININDL Modular power Supply 400w Flex-Atx PSU for ITX Mini PC 1U Ac

£54.77
Best Value
Corsair

New
CORSAIR RM1000x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Effici
Fully Modular: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the

£129.95 £179.99
Corsair

New
CORSAIR CX750 80 PLUS Bronze Non Modular Low-Noise ATX 750 Watt Power Supply - UK - Black
80 PLUS Bronze Certified: Provides up to 88% operational efficiency, generating less heat and lowering your energy costs

£57.99
New
EVGA 650W Modular Power Supply
The EVGA 210-GQ-0650-V3 650 GQ 650W Modular Power Supply is a high-quality power supply unit designed for computers.

£54.78
14% Off
Corsair

New
CORSAIR RM750e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybene
Fully Modular PSU: Reliable and efficient, low-noise power supply with fully modular cabling, so you only have to connec

£89.99 £104.99
New
MEAN WELL ERP 350 48 350 350 W Power Supply
Current - Output 1.

£52.69
MSI

New
MSI MAG A850GLS PCIE5 Power Supply Unit, 850W, 80 PLUS Gold, ATX 3.1, PCIe 5.1 GPU Support, Native 12V-2x6, Dual-color 1
80 PLUS GOLD CERTIFIED- With 80 PLUS Gold certification (up to 90% efficiency), this PSU is ideal for powering hardware

£89.99
16% Off
be quiet!

New
be quiet! Pure Power 13 M 1000W, ATX 3.1, Fully Modular PSU, 80+ Gold
Pure Power 13 M 1000W is certified 80 PLUS Gold with an outstanding efficiency rating of up to 94.4%. The most compellin

£109.83 £129.99
New
Brand New Haider HDAD60W104 Power Supply
Model: HDAD60W104.

£16.14
10% Off
Corsair

New
Corsair SF750 (2024) Fully Modular SFX Low Noise 80 Plus Platinum Power Supply – ATX 3.1 Compliant – PCIe 5.1 Ready – Sm
80 PLUS Platinum Rated SFX Power: Massive Platinum-rated power in a compact SFX form-factor, perfect for the most power-

£139.00 £154.99
New
be quiet! Pure Power 13 M 750W ATX 3.1 PCIe 5.1 80+ Gold Fully Modular PSU
Original box damaged item is brand new never been used though.

£64.99
MSI

New
MSI MAG A650BN Gaming Power Supply Unit: 80 plus bronze, 650 Watt, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan, 5-Year
80 PLUS BRONZE CERTIFIED - An efficient power supply reduces system energy consumption & thermal loading; An 80 PLUS Bro

£44.99
New
Mean Well HDR-30-12 30W Ultra Slim DIN Rail Power supply
Mean Well HDR-30-12 30W Ultra Slim DIN Rail PSU.

£16.15
New
New Branded high quality 300watt standard AT PSU. Input Voltage 110-230V
Check you have enough room in your PC.

£42.30
New
ELTEK FLATPACK2 2000W 3.1 POWER SUPPLY RECTIFIER MODULE 241115.100
Manufacturer: Eltek Valere.

£49.00
New
Power Sonic 600 Powersteady ups
Power sonic ups 600

£31.90
New
30V~160V 2~10A Adjustable Variable Lab DC Power Supply Bench power switching
The auxiliary function includes USB-A/Type-C fast charging function.

£65.99
New
MEAN WELL SD-350C-24 350W 24V 14.6A DC-DC Enclosed PSU Adjustable Output
MEAN WELL SD-350C-24 350W 24V 14.6A DC-DC Enclosed PSU Adjustable Output

£16.15
New
30V-160V 2-10A Adjustable Lab Bench DC Power Supply Variable Regulator Precision
Output current 0~5A 0~10A 0~5A 0~3A.

£52.79
New
MEAN WELL XLG-200-12-A 192W 12V 16A LED power supply IP67
The MEAN WELL XLG-200-12-A is a 192W LED power supply with a nominal voltage rating of 12V.

£26.70

24 Power Supplies deals are available from: Amazon, eBay stores, starting from £16.14.
The biggest discount we found is 28% on CORSAIR RM1000x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficiency – Native 12V-2x6 Connector – Black at Amazon.
The lowest price we found is £16.14 while the highest is £139.00.
Prices for the best Power Supplies deals average at £65.25.
Last updated on September 24, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Power Supplies.