• Sale
  • Blogs
  • About us
  • Sale
Home & Interior
Home Appliances
  1. Start
  2. Computing
  3. Components
  4. PSU Units

PSU Units

Looking for the right PSU? At PriceRunner, we guide you to the best choice for your needs. Whether you're building a new PC or upgrading an existing one, we list a wide range of PSUs from various brands and retailers. Use our handy category filters to narrow your options by wattage, efficiency rating, or price range. This makes it easy to find the PSU unit that matches your requirements. Compare prices and features side-by-side to ensure you get the best value for your money. Our comprehensive listings are updated regularly to provide you with the most accurate information. We aim to simplify your decision-making process and help you find what you're looking for without any hassle. Ready to power up your PC with the right PSU? Begin here and make the right choice for your setup!

Try flexible payments withKlarnaLearn how

Filter
  • PSU Units
Product Properties
Connections
Cooling
Power Source
Measures

1000+ products

Show as table
PSU Units FSP Advan GM 850W 80plus Gold ATX 3.1 Semi-Fanless PSU

FSP Advan GM 850W 80plus Gold ATX 3.1 Semi-Fanless PSU

Gold 80 PLUS Certification

£157.85
Or 3 interest-free payments of £52.61/mo.*
1store
PSU Units FSP FSP450-50ETN 450W ATX Server Power Supply 14-pin

FSP FSP450-50ETN 450W ATX Server Power Supply 14-pin

£62.22
Or 3 interest-free payments of £20.74/mo.*
1store
PSU Units Tlily 2X PC 150W Power Supply Unit HKF1502-3B

Tlily 2X PC 150W Power Supply Unit HKF1502-3B

Platinum 80 PLUS Certification

£40.60
Or 3 interest-free payments of £13.53/mo.*
1store
PSU Units MSI Selens Shockproof EVA Cushion Camera Tool
-12%

MSI Selens Shockproof EVA Cushion Camera Tool

£430.37£487.75
Or 3 interest-free payments of £143.45/mo.*
1store
PSU Units Antec VPF550 550W

Antec VPF550 550W

Bronze 80 PLUS Certification

£71.15
Or 3 interest-free payments of £23.71/mo.*
1store
PSU Units Gamdias AURA GP550 550 W ATX 80 Plus White Power Supply

Gamdias AURA GP550 550 W ATX 80 Plus White Power Supply

£29.99
Or 3 interest-free payments of £9.99/mo.*
1store
Tlily 2X 24-Pin Female ATX PSU Power Supply Tester 50 cm

Tlily 2X 24-Pin Female ATX PSU Power Supply Tester 50 cm

£9.36
Or 3 interest-free payments of £3.12/mo.*
1store
Vertiv Vertiv GXE3-1000IMT Liebert GXE 1kVA 1ph 230V Tower UPS With Batter

Vertiv Vertiv GXE3-1000IMT Liebert GXE 1kVA 1ph 230V Tower UPS With Batter

£431.68
Or 3 interest-free payments of £143.89/mo.*
1store
Dell 0R244G TDPS-150BB 125W Power Supply

Dell 0R244G TDPS-150BB 125W Power Supply

£185.00
Or 3 interest-free payments of £61.66/mo.*
1store
Aihontai Genuine 53V 1.5A 80W 2PIN LITEON AC Power Supply

Aihontai Genuine 53V 1.5A 80W 2PIN LITEON AC Power Supply

£56.23
Or 3 interest-free payments of £18.74/mo.*
1store
CyberPower Power Supply UPS BU650EG-FR

CyberPower Power Supply UPS BU650EG-FR

£46.84
Or 3 interest-free payments of £15.61/mo.*
1store
Gigabyte G750H 750W

Gigabyte G750H 750W

Gold 80 PLUS Certification

£97.19
Or 3 interest-free payments of £32.39/mo.*
1store
Tlily 3X 24-Pin Female ATX PSU Power Supply Tester 50 cm

Tlily 3X 24-Pin Female ATX PSU Power Supply Tester 50 cm

£11.29
Or 3 interest-free payments of £3.76/mo.*
1store
Typecat 150W 24Pin 12V DC Input Mini ITX PSU ATX PC Switch

Typecat 150W 24Pin 12V DC Input Mini ITX PSU ATX PC Switch

£19.66
Or 3 interest-free payments of £6.55/mo.*
1store
Zalman ZM850-TMX2 WH 850W PSU

Zalman ZM850-TMX2 WH 850W PSU

£115.23
Or 3 interest-free payments of £38.41/mo.*
1store
Greenzech 500W Desktop Computer Mainframe Power Supply 12CM

Greenzech 500W Desktop Computer Mainframe Power Supply 12CM

£191.51
Or 3 interest-free payments of £63.83/mo.*
1store
Aihontai Output Power Adatper 12V 60W 90W 120W 200W

Aihontai Output Power Adatper 12V 60W 90W 120W 200W

£141.58
Or 3 interest-free payments of £47.19/mo.*
1store
Aihontai Output Power Adatper 12V 60W 90W 120W 200W

Aihontai Output Power Adatper 12V 60W 90W 120W 200W

£141.58
Or 3 interest-free payments of £47.19/mo.*
1store
Veneka PSU 8Pin to Dual 8Pin PCIe Modular Power Supply Cable

Veneka PSU 8Pin to Dual 8Pin PCIe Modular Power Supply Cable

£5.39
Or 3 interest-free payments of £1.79/mo.*
1store
Antec VP700P 700W

Antec VP700P 700W

White (Standard) 80 PLUS Certification

£73.86
Or 3 interest-free payments of £24.62/mo.*
1store
Teltonika 24W UK Power Supply For RUTX12 RUTX14-PR3P2UK3

Teltonika 24W UK Power Supply For RUTX12 RUTX14-PR3P2UK3

£11.51
Or 3 interest-free payments of £3.83/mo.*
1store
Zalman Net ZM1000-TMX2 WH 1000W PSU

Zalman Net ZM1000-TMX2 WH 1000W PSU

Gold 80 PLUS Certification

£135.30
Or 3 interest-free payments of £45.10/mo.*
1store
Greenzech 20+4Pin 1000W ATX PC Desktop Computer Power Supply PSU PFC 220V Quiet Fan Red

Greenzech 20+4Pin 1000W ATX PC Desktop Computer Power Supply PSU PFC 220V Quiet Fan Red

£209.36
Or 3 interest-free payments of £69.78/mo.*
1store
Greenzech 600W PC Power Supply ATX 12V 24Pins 12CM

Greenzech 600W PC Power Supply ATX 12V 24Pins 12CM

£166.01
Or 3 interest-free payments of £55.33/mo.*
1store
Aihontai Output Power Adatper 12V 60W 90W 120W 200W

Aihontai Output Power Adatper 12V 60W 90W 120W 200W

£141.58
Or 3 interest-free payments of £47.19/mo.*
1store
Aihontai Output Power Adatper 12V 60W 90W 120W 200W

Aihontai Output Power Adatper 12V 60W 90W 120W 200W

£141.58
Or 3 interest-free payments of £47.19/mo.*
1store
Dell 5NF18 750W Power Supply

Dell 5NF18 750W Power Supply

£66.25
Or 3 interest-free payments of £22.08/mo.*
1store
Sodial 2pcs 29.5cm Computer Psu Atx Extension Cable

Sodial 2pcs 29.5cm Computer Psu Atx Extension Cable

£8.12
Or 3 interest-free payments of £2.70/mo.*
Greenzech Rated 500W Desktop Host 12cm Fan

Greenzech Rated 500W Desktop Host 12cm Fan

£166.01
Or 3 interest-free payments of £55.33/mo.*
1store
CyberPower 2200VA LIN PR2200ERTXL2UC

CyberPower 2200VA LIN PR2200ERTXL2UC

£1,157.69
1store
PSU UNITS

FAQ

PSU Units are Power Supply Units that provide electricity to your computer components. They convert AC from the wall into DC that your computer can use. When choosing a PSU Unit, consider wattage, efficiency ratings like 80 Plus, and the number of connectors needed for your components.

PSU Units are selected based on power requirements and compatibility with your system. Calculate the total wattage needed by all components and choose a unit with slightly higher capacity. Check for efficiency ratings and ensure it fits in your computer case.

PSU Units' efficiency indicates how much power is lost as heat during conversion. Higher efficiency means less energy waste, lower electricity bills, and reduced heat output. Look for units with an 80 Plus certification, which ensures at least 80% efficiency at various loads.

PSU Units: 3 things to consider before buying

Before purchasing PSU Units, it's crucial to determine the power requirements of your computer system. Calculate the total wattage needed by adding up the power consumption of all components, including the CPU, GPU, and peripherals. We recommend opting for a PSU Unit with a wattage capacity slightly above your calculated needs to ensure efficiency and allow for future upgrades. For instance, if your system requires 450 watts, consider a PSU Unit that offers 550 watts or more.

Efficiency ratings are essential when choosing PSU Units as they indicate how effectively power is converted from AC to DC. Look for units with an 80 Plus certification, which ensures at least 80% energy efficiency at various loads. Higher certifications like 80 Plus Gold or Platinum offer even better efficiency, reducing electricity costs and heat output. Investing in efficient PSU Units not only benefits your wallet but also contributes to a greener environment.

Ensure that the PSU Units you consider have sufficient connectors for your components. Check for compatibility with your motherboard, graphics card, and additional peripherals such as SSDs and cooling systems. Modular PSU Units offer flexibility by allowing you to use only the cables you need, improving airflow and reducing clutter inside your case. This feature is particularly beneficial if you plan on upgrading components in the future.

You’ve viewed 41 out of 1788 products

1

...

10

...

20

22

24

...

31

...

38

Advertisement

Power up your build: Choosing the right PSU

Selecting the right power supply unit (PSU) is crucial for your computer's performance and longevity. It ensures your system runs smoothly by delivering consistent power to all components. Let's explore the different types and features of PSU units to help you make the best choice for your setup.

Types of PSU units

PSU units come in various types, each designed to meet specific needs. Among the popular options are SFX and ATX. SFX units are compact, making them ideal for small form factor cases. They pack a punch despite their size, providing reliable power for mini-ITX builds. On the other hand, ATX units are larger and suited for standard or mid-tower cases, offering more power and additional features.

Efficiency ratings

Efficiency is a key factor when choosing a PSU. It indicates how much power is converted into usable energy, with the rest lost as heat. The 80 PLUS certification is a standard measure of efficiency. Bronze, Silver, and Gold are common ratings, with Gold being more efficient than Bronze. For those seeking top-tier efficiency, Platinum and Titanium ratings offer even better performance, ensuring minimal energy waste and lower electricity bills.

Key features to consider

When selecting a PSU, consider features like modularity and cable management. Modular PSUs allow you to connect only the cables you need, reducing clutter and improving airflow. This feature is especially useful in compact builds. Additionally, look for units with silent operation, achieved through efficient cooling fans or fanless designs. A PSU with a high-quality fan will run quietly, even under load, providing a pleasant computing experience.

Colour and aesthetics

Aesthetics might not affect performance, but they do enhance your build's appearance. White PSU units are a popular choice for those aiming for a sleek, modern look. They blend seamlessly with white cases and components, creating a cohesive aesthetic. Whether you're building a minimalist setup or a vibrant gaming rig, the right colour can make a difference.

Understanding wattage requirements

Determining the correct wattage is essential for a stable system. Calculate the total power consumption of your components, including the CPU, GPU, and peripherals. It's wise to choose a PSU with a bit more wattage than needed to allow for future upgrades. This ensures your system remains reliable and efficient over time.

Budget and brand considerations

While it's tempting to save money, investing in a quality PSU is crucial. A reliable unit from a reputable brand offers peace of mind and protection for your components. Brands like Corsair, EVGA, and Seasonic are known for their dependable PSU units. They offer a range of options to suit different budgets and requirements, making them a good choice for any build.

Make a well-thought-out decision by considering these factors when choosing a PSU. Use PriceRunner to compare prices and find the best deal on PSU units for your next build.

Shop smarter with PriceRunner

Find the best option with the help of our handy tools. Compare prices, apply smart filters, read user reviews, and explore price history—all in one place.

Filter and sort

Searching for something particular? Filter by everything from price and brand to material or colour to see only the products relevant to you. Since delivery options and shipping costs can vary between shops, you can easily find your perfect match by filtering based on these criteria as well.

Reviews: See what other users think

Reviews from other users can provide valuable insights into the product's features and durability. Product ratings help you quickly assess popularity and customer satisfaction.

Price history: Find real deals

To ensure that you've found a good deal, you can view the product's price history. Select a time period and whether you wish to include international prices. Price history for the past three months is shown by default, but you can also look into a longer time period. If you want to determine if a deal from a specific shop is as good as it seems you can click on "Choose store" above the price graph to show an individual shop's pricing history.

PriceRunner
  • About us
  • Contact us
  • Newsroom
  • Job openings

Since 1999, PriceRunner has helped millions of visitors find the best products at the best prices.

PriceRunner is entirely independent and free to use. Our vision is to be your go-to site that you can always count on when comparing products and prices. PriceRunner became a part of Klarna 2022.

You can compare prices and products with us in:

Sweden, Denmark, The UK, Norway, USA, Germany, Austria, Finland, France, Ireland, Italy, Netherlands, Spain

Copyright 1999-2026 Klarna Technologies AB