Best Power Supplies Deals Online in the UK (25 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
Corsair

New
CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficie
Fully Modular: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the

£119.99 £147.99
Corsair

Used
CORSAIR RM850x Fully Modular Low-Noise ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Support – Cybenetics Gold Efficie
Fully Modular: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the

£102.44
New
VIDA Black PSU Power Supply 500W/650W/750W Computer Desktop PC ATX 120mm Fan
The PCI-E connector is available for 650W and 750W models only. Trust Vida to provide the power you need for seamless pe

£23.62
Best Value
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

£84.00 £109.99
Used
48v Pheonix Contact - Power Supply Unit ( Trio PS/1AC/48DC/5

£40.21
MSI

Used
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

£77.31
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

£44.00
New
Corsair Modular Power Supply Cables with Bag
Cables shown in photo Corsair branded cables Comes in a plastic bag Works for most psu Only cables shown In pictures Wil

£8.12
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

£58.97 £64.99
New
Lab Power Supply Adjustable DC 0-30V 60V 120V 0-5A 10A Variable Bench Switching
The products are widely used in cell phone repair, computer repair, battery charging, school teaching and production lin

£55.19
Corsair

Used
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

£54.45
14% Off
Corsair

New
CORSAIR RM1000e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cyben
Fully Modular PSU: Reliable and efficient, low-noise power supply with fully modular cabling, so you only have to connec

£124.99 £144.99
New
LED Driver Power Supply Transformer DC12V 20 48V Non Dim 6W, 12W, 18W, MR16 IP65
100W LED Driver - Waterproof IP65. 12W LED Drivers. Power: 0.5W - 12W. 6W LED Drivers. Power: 0.5W - 6W. 18W LED Drivers

£76.99
10% 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

£94.99 £104.99
New
96W Universal Power Supply Adapter Charger 34 Tips Heads 12-24V AC/DC For Laptop
Power: 96W. Output: 12V/15V/16V/18V/19V/20V/24V. 5.5 1.9mm DC - Black - for Asus. 5.5 1.5mm DC - Black. 5.0 2.5mm DC - B

£11.68
Corsair

Used
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

£87.19
New
AC 230V To DC 5V/12V/24V 10W-1000W AC/DC Power Supply Adapter Transformer Driver
※Out put: DC 12V ;DC 24V,DC 5V ;. 5V 2A 10W 70 39 31. ※GND: DC power output "-". ※V: DC power output "+". ※100% full loa

£51.99
New
12V DC Power Supply Adapter 1A /2A /3A UK Plug Transformer for LED Strip Light
DC output: 12V 1.0A. Plug type: UK plug. DC output: 12V 2.0A. UK plug: 80x50x62mm. Power source: DC. 12V 5A/10A FEATURE

£5.99
New
Universal AC/DC Power Supply Adaptor Plug Charger 3V 4.5V 6V 7.5V 9V 12V UK
Irreversible polarity: All the DC Plug for this DC adapter are Center Positive: inner positive(+), outer negative(-). Th

£9.49
New
9V Power Supply UK 9v Adaptor 9v Charger 9 Volt Power Supply UK 9V 1A AC/DC PLUG
Output: DC 9V 1A. (2) To better protect the circuit, extended service life, and make faster transmission.

£5.03
New
12V 3A DC UK Plug Power Supply Adaptor Transformer for LED Strips CCTV
Plug type: 3 pin UK plug. (Compatible plug 5.5mmx2.1mm Plug size,inside"+", outside"-"). Power input: 100-240V AC, 50/60

£4.59
New
DC12V/24V LED Driver Power Supply Transformer Waterproof IP67 240V for LED Strip
DC24V IP67 Drivers. DC24V 10W IP67 Driver 117mm 96mm 29mm 20mm 150g. DC 24V24W IP67 Driver 200mm 187mm 30mm 20mm 150g. D

£51.79
New
AC240V to DC5/12/24 IP20 LED Driver Switch Power supply Lighting Transformer PSU
DC5V IP20 Driver Length Width Height Weight. DC5V 10W IP20 Driver 70mm 40mm 30mm 100g. DC5V 20W IP20 Driver 85mm 58mm 34

£91.24
New
WEP Adjustable Power Supply DC 0-30 0-3/5/10A Variable Bench Switching
WEP DC Power Supplies - 305D-V & 3010D V. Convenient 12V USB-A port for powering small devices or charging – more flexib

£119.99
New
UK 6V 1A AC/DC Power Supply Adapter Charger Plug Mains Transformer Universal
Long 0.9m wiring lead and UK mains plug. Designed for Indoor use only. Mains Plug Type: UK. Out put adaptor jack size :

£5.83

25 Power Supplies deals are available from: Amazon, eBay stores, starting from £4.59.
The biggest discount we found is 24% on MSI MAG A750GL PCIE5 Power Supply Unit, 750W, 80 Plus Gold, Fully Modular, ATX 3.0, PCIe 5.0 GPU Support, 120mm FDB Fan, Full-Bridge LLC, Flat Black Cables - 7 Year Warranty at Amazon.
The lowest price we found is £4.59 while the highest is £124.99.
Prices for the best Power Supplies deals average at £56.40.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Power Supplies.