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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!

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PSU Units Corsair CX Series CX550 550 Watt 80 Plus Bronze ATX Power Supply
Corsair CX Series CX550 550 Watt 80 Plus Bronze ATX Power Supply
Bronze 80 PLUS Certification
£49.99
1 store
PSU Units HPE Power Supply Unit 800 W Grey
HPE Power Supply Unit 800 W Grey
£155.54
1 store
PSU Units Gigabyte P850GM 850W 100 240V 50Hz 12A 6A Active
Gigabyte P850GM 850W 100 240V 50Hz 12A 6A Active
£80.03
1 store
PSU Units Corsair CX Series 650 Watt 80 Plus Bronze Modular Power Supply
Corsair CX Series 650 Watt 80 Plus Bronze Modular Power Supply
Bronze 80 PLUS Certification
£475.30
1 store
PSU Units Gamemax vp 700w atx
Gamemax vp 700w atx
Bronze 80 PLUS Certification
£40.95
1 store
PSU Units Kolink Regulator 850W
Kolink Regulator 850W
Gold 80 PLUS Certification
£145.17
1 store
PSU Units Cougar STC 600W
Cougar STC 600W
£89.80
1 store
PSU Units Kolink Regulator 750W 80 Plus
Kolink Regulator 750W 80 Plus
Gold 80 PLUS Certification
£122.89
1 store
Acer predator orion po3-620
Acer predator orion po3-620
£113.40
1 store
LC-Power LC850P V3.0 850W 80+ Platinum Power Supply
LC-Power LC850P V3.0 850W 80+ Platinum Power Supply
Platinum 80 PLUS Certification
£201.23
1 store
FSP Cannon Pro 2000W PSU
FSP Cannon Pro 2000W PSU
£391.20
1 store
Cooler Master V850 SFX 850W 80 PLUS
Trending
Cooler Master V850 SFX 850W 80 PLUS
Gold 80 PLUS Certification
£187.67
1 store
AeroCool integrator gold 850w 80 plus
AeroCool integrator gold 850w 80 plus
Gold 80 PLUS Certification
£91.99
1 store
CWT CSZ1200V5-C 1200W
-21%
CWT CSZ1200V5-C 1200W
Gold 80 PLUS Certification
£106.99
£134.99
1 store
Thermaltake Toughpower GF A3 1200W
Thermaltake Toughpower GF A3 1200W
Gold 80 PLUS Certification
£284.48
1 store
Phanteks Revolt 1600W 80PLUS Titanium ATX Fully Modular Power Supply
Phanteks Revolt 1600W 80PLUS Titanium ATX Fully Modular Power Supply
Titanium 80 PLUS Certification
£378.78
1 store
Gamemax GX850W 850W Fully Modular 80 Plus
Gamemax GX850W 850W Fully Modular 80 Plus
£62.99
2 stores
CiT 800W FX Pro 14cm Fan APFC Bronze
CiT 800W FX Pro 14cm Fan APFC Bronze
£46.79
1 store
Zalman ZM800-TXII Megamax Power Supply Unit
Zalman ZM800-TXII Megamax Power Supply Unit
£135.34
1 store
Phanteks Revolt Platinum 1000W
Phanteks Revolt Platinum 1000W
Platinum 80 PLUS Certification
£199.77
1 store
AeroCool Integrator Gold 1000W
AeroCool Integrator Gold 1000W
Gold 80 PLUS Certification
£135.99
1 store
Silverstone Technology 1000W SFXL Modul
Silverstone Technology 1000W SFXL Modul
Platinum 80 PLUS Certification
£267.26
1 store
Extralink EX.30714 Engine Generator 7000 W
Extralink EX.30714 Engine Generator 7000 W
£400.09
1 store
Endorfy PSU Vero L5 700
Endorfy PSU Vero L5 700
Bronze 80 PLUS Certification
£74.30
1 store
Tempest TP-MGPSU-650WB 650W
Tempest TP-MGPSU-650WB 650W
£115.65
1 store
Lenovo ThinkSystem 450W Power Supply
Lenovo
Lenovo ThinkSystem 450W Power Supply
Titanium 80 PLUS Certification
£372.76
1 store
Xilence Performance A+ XN340 850W ATX Power Supply
Xilence Performance A+ XN340 850W ATX Power Supply
£112.74
1 store
Phanteks Revolt SFX 80 Plus 850 Watt
Phanteks Revolt SFX 80 Plus 850 Watt
Platinum 80 PLUS Certification
£222.02
1 store
Montech Titan Gold 1200W PCIe 5
Montech Titan Gold 1200W PCIe 5
Gold 80 PLUS Certification
£139.99
1 store
Silverstone 750w Strider SFX Modular 80Plus
Silverstone 750w Strider SFX Modular 80Plus
Gold, Platinum 80 PLUS Certification
£164.76
1 store
Antec CSK750H 750W Cuprum Strike PSU
Antec CSK750H 750W Cuprum Strike PSU
£70.99
1 store
Corsair RM750x SHIFT 80 PLUS Gold 750W
Corsair RM750x SHIFT 80 PLUS Gold 750W
£139.99
1 store
Seasonic SSP-850RS 850W 80plus Gold Desktop PC
Seasonic SSP-850RS 850W 80plus Gold Desktop PC
£74.99
1 store
Tacens Mars Gaming APIII500SI 500W Power Supply
Tacens Mars Gaming APIII500SI 500W Power Supply
£12.95
1 store
Corsair RM850x SHIFT - 850 W
Corsair RM850x SHIFT - 850 W
Gold 80 PLUS Certification
£210.88
1 store
Gigabyte UD850GM PG5 850W
Gigabyte UD850GM PG5 850W
Gold 80 PLUS Certification
£93.67
1 store
Silverstone HELA 1200R 1200W
Silverstone HELA 1200R 1200W
Platinum 80 PLUS Certification
£265.52
1 store
TDK TDK-Lambda Switching Power Supply, 5V dc, 30A, 150W, 1 Output
TDK TDK-Lambda Switching Power Supply, 5V dc, 30A, 150W, 1 Output
£148.57
1 store
FSP Fortron enhed
FSP Fortron enhed
Bronze 80 PLUS Certification
£109.56
1 store
Silverstone SX1000-LPT 1000W
Silverstone SX1000-LPT 1000W
Platinum 80 PLUS Certification
£220.39
1 store
Silverstone Technology HELA 850R 850W
Silverstone Technology HELA 850R 850W
White (Standard) 80 PLUS Certification
£156.14
1 store
ASUS ROG STRIX Gold Aura 750W
ASUS ROG STRIX Gold Aura 750W
Gold 80 PLUS Certification
£138.82
2 stores
Fortron 500W ACC Power
Fortron 500W ACC Power
£77.47
1 store
Segotep 850W Fully-Modular Power Plus Silent
Segotep 850W Fully-Modular Power Plus Silent
Gold 80 PLUS Certification
£173.66
1 store
HP L29203-001 180W PSU
HP L29203-001 180W PSU
Platinum 80 PLUS Certification
£59.52
1 store
LevelOne POW-4841
LevelOne POW-4841
£142.54
1 store
Silverstone ST60F-ES230 600W Strider Essential Series Power Supply
Silverstone ST60F-ES230 600W Strider Essential Series Power Supply
£50.72
1 store
Cougar POLAR 1200W
Cougar POLAR 1200W
Platinum 80 PLUS Certification
£211.33
1 store

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.

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.

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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.

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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.

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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.

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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.

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