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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 Montech BETA 2 650W 80PLUS Bronze Power Supply
Montech BETA 2 650W 80PLUS Bronze Power Supply
£44.99
1 store
PSU Units Corsair CX650 ATX 650W Power Supply
Corsair CX650 ATX 650W Power Supply
£132.60
1 store
PSU Units Portable 12V 250W 24Pin ATX Connect Motherboard
Portable 12V 250W 24Pin ATX Connect Motherboard
£19.01
1 store
PSU Units LD-A200WL 19V 200W DC-ATX Power Supply Board
LD-A200WL 19V 200W DC-ATX Power Supply Board
£41.25
1 store
PSU Units Server Power Supply 460W
Server Power Supply 460W
£100.09
1 store
PSU Units Corsair RM850x Fully Modular Low-Noise ATX Power Supply
Corsair RM850x Fully Modular Low-Noise ATX Power Supply
£230.34
1 store
PSU Units 500W PSU Computer Power Supply for HP 480 280 288 680 800 600
500W PSU Computer Power Supply for HP 480 280 288 680 800 600
£93.03
1 store
PSU Units Corsair RM650e Fully Modular Low-Noise ATX Power Supply
Corsair RM650e Fully Modular Low-Noise ATX Power Supply
£155.02
1 store
DC-ATX-160W 160W Pico PSU ATX Switching Power Supply
DC-ATX-160W 160W Pico PSU ATX Switching Power Supply
£98.17
1 store
High Efficiency Mining Power Supply Unit
High Efficiency Mining Power Supply Unit
£58.79
1 store
HPE SPS-PWR US SFF SD
HPE SPS-PWR US SFF SD
£29.91
1 store
Dell 495W Power Supply Ssemly
Dell 495W Power Supply Ssemly
£66.73
Out of stock
300W Power Supply Mini ITX Flex
300W Power Supply Mini ITX Flex
£28.74
1 store
12VHPWR 450W 16pin Right Angle Power Adapter
12VHPWR 450W 16pin Right Angle Power Adapter
£19.32
1 store
Melitt PCI-E 5.0 Power Modular Adapter 12VHPWR ATX3.0
Melitt PCI-E 5.0 Power Modular Adapter 12VHPWR ATX3.0
£5.16
1 store
24 Pin to 14 Pin ATX PSU Main Power Adapter
24 Pin to 14 Pin ATX PSU Main Power Adapter
£3.87
1 store
Exogio X9-ATX-500 Wide Voltage 16-60V Robot Server
Exogio X9-ATX-500 Wide Voltage 16-60V Robot Server
£103.85
1 store
Zandona 450W 24Pin 12V Input PSU ATX PC
Zandona 450W 24Pin 12V Input PSU ATX PC
£63.42
1 store
Zandona 450W 24Pin 12V ITX PSU ATX PC
Zandona 450W 24Pin 12V ITX PSU ATX PC
£38.14
1 store
PCI-E Dual 8Pin to 8Pin Modular Power Supply Cable
PCI-E Dual 8Pin to 8Pin Modular Power Supply Cable
£25.62
1 store
NZXT C1000 Gold Core 1000W ATX Power Supply
NZXT C1000 Gold Core 1000W ATX Power Supply
£289.96
1 store
Melitt High Power 300W 12V DC5.5X2.5MM Input DC-ATX PSU
Melitt High Power 300W 12V DC5.5X2.5MM Input DC-ATX PSU
£15.91
1 store
500W Desktop Computer Power Sources
500W Desktop Computer Power Sources
£122.30
1 store
250AB-24 PC Power Supply Desktop
250AB-24 PC Power Supply Desktop
£43.41
1 store
Typecat 600W Full Modulars 1U Flexs ATXs PSUs PC Power Supply
Typecat 600W Full Modulars 1U Flexs ATXs PSUs PC Power Supply
£47.59
1 store
Exogio DC 12V 160W 24Pin ATX Switch PSU Car Auto
Exogio DC 12V 160W 24Pin ATX Switch PSU Car Auto
£20.40
1 store
Thermaltake Toughpower I2000w Fully Modular Titanium
Thermaltake Toughpower I2000w Fully Modular Titanium
£469.99
1 store
Thermaltake Toughpower TF3 1650W Watt Fully Modular Titanium ATX
Thermaltake Toughpower TF3 1650W Watt Fully Modular Titanium ATX
£299.99
1 store
Saudism DC19V 200W ATX PSU PC Converter
Saudism DC19V 200W ATX PSU PC Converter
£27.81
1 store
HPE 800W FS PL H PLG LH PS KI
HPE 800W FS PL H PLG LH PS KI
£108.63
1 store
Cooler Master Elite Gold 1000W
Cooler Master Elite Gold 1000W
£130.83
1 store
Corsair RMe Series RM750e Fully Modular Low-Noise ATX Power Supply
Corsair RMe Series RM750e Fully Modular Low-Noise ATX Power Supply
£109.90
1 store
Corsair RMx Series RM1000x Fully Modular Power Supply
Corsair RMx Series RM1000x Fully Modular Power Supply
£164.99
1 store
Silverstone Gemini 1300C Platinum Module
Silverstone Gemini 1300C Platinum Module
£439.99
1 store
HPE Redundn Power Supply
HPE Redundn Power Supply
£152.51
1 store
TP-Link PSM900-AC Power Supply Unit 900 W
TP-Link PSM900-AC Power Supply Unit 900 W
£302.99
1 store
Silverstone Triton 1000Rz White Fully Modular 80 Plus
Silverstone Triton 1000Rz White Fully Modular 80 Plus
£154.99
1 store
Thermaltake 650W Smart Bx1 Power Supply
Thermaltake 650W Smart Bx1 Power Supply
£44.99
1 store
Acer Power Supply 500W
Acer Power Supply 500W
£70
3 stores
ASUS ROG Thor 1200W 80+ Platinum III Modular ATX Power Supply
ASUS ROG Thor 1200W 80+ Platinum III Modular ATX Power Supply
£399.98
1 store
Vantec Signature 2200 Platinum ATX3.1 Power Supply
Vantec Signature 2200 Platinum ATX3.1 Power Supply
£449.95
1 store
Justop CIT 80 Plus 700W ATX PC Power Supply
Justop CIT 80 Plus 700W ATX PC Power Supply
£46.99
1 store
Gigabyte GP-P750BS-UK Fixed ATX PSU 750 W
Gigabyte GP-P750BS-UK Fixed ATX PSU 750 W
£48.99
1 store
Justop Cit 600W 80 Plus ATX PC Power Supply
Justop Cit 600W 80 Plus ATX PC Power Supply
£39.95
1 store
Corsair Rm750x Shift 2025 750W 80+ Gold PCIe 5.1 ATX
Corsair Rm750x Shift 2025 750W 80+ Gold PCIe 5.1 ATX
£134.99
1 store
Lian Li SX Series 80 Plus Platinum Power Supply
Lian Li SX Series 80 Plus Platinum Power Supply
Platinum 80 PLUS Certification
£152.82
Out of stock
HP Power Supply Ssy
HP Power Supply Ssy
£22.96
1 store
Lian Li 750W RB 750B Fully Wired 80 Plus Bronze ATX 3.1 PSU
Lian Li 750W RB 750B Fully Wired 80 Plus Bronze ATX 3.1 PSU
£62.99
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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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.

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