WhichOne › electronics › computer › computer part › power supply unit › pc power supply unit

The best pc power supply units in comparison

Guaranteed independent and reliable
Millions of satisfied users every year
Last updated on 17.07.2025

Filter

Sort

Brand:Reduced items only:

Best choice

MSI MAG A750GL PCIE5 Power Supply Unit, 750W, 80 Plus Gold, Fully Modular, ATX 3.0, PCIe 5.0 GPU Support, Black Flat Cables, 7 Year Warranty

MSI

10% off

free shipping

9,9

Check price

Show on Amazon

show more show less

Features

STABLE PERFORMANCE - A 120 mm FDB fan with dynamic fluid storage (fluid dynamic bearing) ensures exceptional efficiency and durability. 105 C capacitors ensure high stability under heavy loads
ATX 3.0 FULLY MODULAR - With ATX 3.0, the PSU can handle up to 2x total & 3x GPU power excursions; A full modular format with triple-layer sleeved cables (with management combs) helps reduce clutter & comes with premium copper alloy connectors
PCIe 5.0 GPU SUPPORT - With the native 16-pin PCIe connector, the PSU can feed up to 450W of power to a PCIe 5.0 GPU (NVIDIA & AMD supported)
DURABLE DESIGN - A LLC half-bridge with DC DC converter and an active PFC design ensure a reliable output (OCP, OVP, OP, OTP, SCP, UVP protection). The MAG gaming power supply comes with a 7-year limited MSI warranty

£ 89.99

£ 87.95

£ 93.99

£ 99.98

£ 104.95

£ 107.29

Recommendation

Corsair RM750x 80 PLUS Gold Fully Modular ATX 750 Watt Power Supply (135 mm Magnetic Levitation Fan, Wide Compatibility, Reliabile Japanese Capacitors, Extremely Fast Wake-from-Sleep) UK - Black

Corsair

free shipping

9,8

Check price

Show on Amazon

show more show less

Features

Fully Modular Only connect the cables your system needs, making clean and tidy builds easier.
82 PLUS Gold Certified High efficiency operation for lower power consumption, less noise, and cooler temperatures.
Modern Standby Compatible Extremely fast wake-from-sleep times and better low-load efficiency.
100% All Japanese 105 C Capacitors Premium internal components ensure unwavering power delivery and long-term reliability.

£ 149.90

£ 92.39

Aerocool Integrator 600 W 80 Plus Bronze Power Supply Unit with UK 3 Pin Power Lead

AeroCool

free shipping

9,7

Check price

Show on Amazon

show more show less

Features

Long Cabling - Main cable length up to 550 mm is easy for high-end tower chassis installation
Single 12V Rail - Single 12V rail for high compatibility and extreme high current output
Two PCIe - Two PCIe 6+2pin connector for mid-range graphic card
7 SATA - Up to 7 SATA connectors supports for numbers of hard drives

£ 45.98

£ 41.99

£ 51.54

£ 52.99

GIGABYTE UD850GM Power Supply Unit - 850W, 80 PLUS Gold Certified, Fully Modular, Japanese Capacitors, UK plug

Gigabyte

free shipping

9,7

Check price

Show on Amazon

show more show less

Features

Main Japanese capacitors
Fully modular design
120mm smart hydraulic bearing fan

£ 89.00

£ 141.99

SKE 1500VA/900W UPS Battery Backup & Surge Protector UPS Battery Backup Unit for Computer Router Modem Uninterruptible Power Supply

SKE SMART KEY ENERGY

free shipping

9,5

Check price

Show on Amazon

show more show less

Features

Uninterrupted Power Supply Provides an uninterrupted power supply when you switch power systems or sudden power outage, maintaining the connection of your computer, wifi router, modem. 4 sockets for battery backup and surge protection.
Voltage Stability Automatic voltage regulation protects your device from overcharging, surge, and short circuit, extending the service life of your device.
Smart LCD Screen Monitoring input output voltage, battery capacity and loading status in real-time. Can be turned off when not needed.
Management Software Works for windows, MacOS, Linux. Continuously monitoring devices. You can set it up to shut down the devices automatically in in case of emergencies and send notifications.

Switching Power Supply PSU 850W ATX with 12cm Silent Black Fan/for PC Computer/iCHOOSE

iChoose Limited

free shipping

9,5

Check price

Show on Amazon

show more show less

Features

PRODUCT INFO Switching Power Supply PSU 850W ATX with 12cm Silent Black Fan
DIMENSIONS 150mm x 85mm x 140mm (W x H x D)

Cooler Master MWE 850 Gold V2 Fully Modular PSU (UK Plug) - 80 PLUS Gold 850W Power Supply Unit, Flat Black Cabling, 120mm HDB Fan, High-Temperature Threshold

Cooler Master

6% off

free shipping

9,5

Check price

Show on Amazon

show more show less

Features

80 PLUS GOLD - 90% efficiency (under typical loading) makes 80 PLUS Gold ideal for PC gaming systems with high energy demands - saving on utility costs and improving overall performance by reducing heat accumulated through inefficient energy conversion
FULLY MODULAR FLAT BLACK CABLING - Complete cable management enables sophisticated case build aesthetics and improves internal ventilation by eliminating unnecessary cabling that wastes space and restricts internal airflow (thereby gathering dust)
FLEXIBILE & RELIABLE - The MWE 850 Gold V2 includes 2 EPS connectors for universal motherboard compatibility and a broad array of connectors (ATX 24 Pin x 1, EPS 4+4 Pin x 1, EPS 8-Pin x 1, SATA x 12, Peripheral 4-Pin x 4, PCI-e 6+2 x 4)
RESPONSIVE HDB FAN - The 120 mm hydro-dynamic bearing (HDB) fan employs temperature-responsive fan-speed control, thereby saving system power and reducing unnecessary noise during low-demand periods

NZXT C1200 PSU - 1200 Watt Gaming PC Power Supply – ATX 3.0 – PCIe 5.0 12VHPWR Connector – 80 Plus Gold Efficiency – Fully Modular – Zero Fan Mode – Black Sleeved Cables – 10 Year Warranty – Black

NZXT

18% off

free shipping

9,5

Check price

Show on Amazon

show more show less

Features

NEXT-GEN POWER Pumps up to 600 watts of power to PCIe 5.0 GPUs like the NVIDIA GeForce RTX 4090 over a single 16-pin connector.
FUTURE-PROOF DESIGN Built to withstand massive power spikes from next-gen GPUs by supplying up to 2x total power and 3x GPU power when needed.
ELITE EFFICIENCY With over 90% efficiency at 50% load, the C1200 reduces energy usage to lower monthly costs and extend your PC's lifespan. No wasted energy it only draws the power your system needs.
SILENT OPERATION The 135mm PWM fan with a fluid dynamic bearing runs quietly, even at high loads. Zero Fan Mode shuts it off for total silence when under 40% load.
HIGH-QUALITY COMPONENTS Constructed with all Japanese 105 C-rated capacitors for the highest standard in performance, reliability, and longevity.

£ 114.98

£ 141.60

£ 145.99

JUSTOP Black 750W PSU, Switching Power Supply, Computer Desktop PC ATX 120mm Fan 8-Pin 12V, 6+2 Pin PCI-E, 6x SATA

JUSTOP

free shipping

9,4

Check price

Show on Amazon

show more show less

Features

750W ATX Power Supply With 120mm Cooling Fan For Desktop PCs
Power Factor Control (PFC). Over voltage protection, Over power protection, short circuit protection and thermal overload cut-off protection.
Connectors - 1x 24-Pin (20+4); 1x 8-Pin 12V (4+4); 6x SATA, 1x 4-Pin Molex; 1x 8-Pn PCI-E (6+2)

TUF Gaming 850W Gold (850 Watt, ATX 3.0 Compatible, Fully Modular Power Supply, 80+ Gold, Military-grade Components, Dual Ball Bearing, Axial-tech Fan, PCB Coating, 10 Year Warranty)

ASUS

6% off

free shipping

9,3

Check price

Show on Amazon

show more show less

Features

Durable
Good product with good quality

£ 124.97

£ 29.00

£ 29.30

£ 42.16

£ 129.95

£ 129.99

£ 136.74

This ranking is created through algorithmic analysis of millions of products tailored specifically to your search. We aim to find the most suitable product for you based on manufacturer information and price. The ranking reflects our opinion and should serve as a good starting point for your purchase. We would like to point out that we have not tested the products ourselves and link to selected online shops and partners from which we may receive compensation.

You might also be interested in these pc power supply units.

GameMax RGB 850W Pro Modular 80 Plus Gold Power Supply With 14cm ARGB Fan | Black

80 PLUS Gold Certification - Trusted with an 80 PLUS Gold certification and Intel C6 C7 States Ready, this powerful Power Supply has an energy efficiency of 90 percent or higher and has been optimised to work with all generations of Intel processors to achieve maximum energy saving.

free shipping

Check price

GAMDIAS 850W UK PSU Power Supply for ATX PC Computer, 80+ Plus Bronze, Non-Modular, Low Noise PWM Fan, 850 Watt, Flat Cable for Cable Management

Smart and Reliable The HELIOS M1-850B is a high quality stealth fan that can deliver up to 85% efficiency while automatically adjusting its fan speed according to temperature. It also has a high build quality with its flat black cables and 80 PLUS bronze certification.

~~£ 69.99~~ free shipping

Check price

Tecnoware Power Systems - Silent 550 ATX Power Supply 550W Pure Power 12cm Silent Fan 2 x SATA 1 x 24 Pin Over Voltage Protection CE & Rohs Certified, 550

ECO-FRIENDLY Packaging made from 100% recyclable cardboard, in line with our sustainable philosophy Together On.

~~£ 29.99~~ free shipping

Check price

Redrex 24V 15A DC Universal Regulated Switching Power Supply Unit 360w Built with Temperature-controlled Cooling Fan for CCTV,Computer Project, 3D Printer,LED Driver

Compact small size, high efficiency, high reliability and stable performance. Indoor use only!

~~£ 22.98~~ free shipping

Check price

be quiet! BN283 Straight Power 11 750W ATX Black power supply unit - power supply units (750 W, 100-240, 820 W, 50-60, Active, 150 W),gold,BN283

Virtually inaudible Silent Wings 3 135mm fan

free shipping

Check price

LC-POWER 1000w PC Power Supply Full Modular 80 Plus Gold 135 mm Fan Ultra-Low Noise Digital PC PSU, ATX 3.1 & PCIe 5.1 GPU Support, Gaming Intelligence, Sleeved Cable - LC1000MW V3.1

Super Silent and Efficient The LC-POWER Super Silent Modular ATX psu 1000w is designed to deliver top-notch performance while ensuring a whisper-quiet operation. With an efficiency rating of up to 90%, you can rely on this power supply to handle all your power needs while keeping

~~£ 139.89~~ free shipping

Check price

Ace Power 750W PSU, ATX Switching Power Supply, Desktop PC PSU, 120mm Quiet Fan, 8-Pin 12V (4+4), 6+2 Pin PCI-E, 6x SATA

Power Factor Control (PFC). Over voltage protection, Over power protection, short circuit protection and thermal overload cut-off protection.

free shipping

Check price

S-Union 240W Power Supply Unit PSU for DELL Optiplex 390 790 960 990 3010 7010 9010,Only for Small Form Factor SFF H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 DPS-240WB L240AS-00 H240AS-00 3WN11

Compatible Model The power supply is only work for Dell OptiPlex 390 790 960 990 3010 7010 9010 Desktop (Dell SFF System) . AC Input 100-240V 4A (50-60HZ), DC Output Max Output Power 240W.

free shipping

Check price

Crucial Pro DDR5 RAM 32GB Kit (2x16GB) 6000MHz CL36, Overclocking Gaming Memory, Intel XMP 3.0 / AMD EXPO, Computer Memory (PC) DDR5 32GB RAM, Black - CP2K16G60C36U5B

FLEXIBILITY By supporting both Intel XMP 3.0 and AMD EXPO on the same module, Crucial offers you ultimate flexibility with your build

free shipping

Check price

BPC Energy UPS Power Supply UK, Computer Uninterruptible Power Supply Units - 600VA /360Watts UPS with Battery Backup, 3 IEC Outputs for Surge Protection Ideal for Home or Office, 2 Year Warranty

Versatile IEC Outputs Equipped with three IEC outputs, this UPS is ideal for varied device connectivity. It supports multiple computer uninterruptible power supply units, offering dependable power delivery tailored to diverse systems.

free shipping

Check price

MSI MAG A550BN Power Supply Unit, UK Plug - 550W, 80 Plus Bronze Certified, ATX PSU, 12V Single-Rail, DC-to-DC Circuit, 120mm Fan - 5 Year Warranty

80 PLUS BRONZE CERTIFIED - An efficient power supply reduces system energy consumption & thermal loading; An 80 PLUS Bronze rating (up to 86%) is a solid foundation for standard hardware, graphics cards, and most software demands

~~£ 49.99~~ free shipping

Check price

APC BACK-UPS ES - BE650G2-UK - Uninterruptible Power Supply 650VA (8 Outlets, Surge Protected, 1 USB Charging Port)

230 V AC

free shipping

Check price

The best pc power supply units in comparison

Guaranteed independent and reliable

Features

Features

Features

Features

Features

Features

Features

Features

Features

Features

You might also be interested in these pc power supply units.

Our offer