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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 Cisco 4500 Power Supply Unit 1300 W
Cisco 4500 Power Supply Unit 1300 W
£534.99
Out of stock
PSU Units 240W Desktop Power Supply Unit PSU
240W Desktop Power Supply Unit PSU
£85.10
1 store
PSU Units Gamemax VP 700s Bronze Power Supply
Gamemax VP 700s Bronze Power Supply
£73.48
1 store
PSU Units Gamemax GZ 850g Gold Power Supply
Gamemax GZ 850g Gold Power Supply
£112.49
1 store
PSU Units MSI A300n-h Power Supply Silver
MSI A300n-h Power Supply Silver
£29.48
1 store
PSU Units Gamemax GX Pro 1050W Gold Full Modular Power Supply - White
Gamemax GX Pro 1050W Gold Full Modular Power Supply - White
£132.98
1 store
PSU Units Gamemax VP 600s Bronze Power Supply
Gamemax VP 600s Bronze Power Supply
£69.48
1 store
PSU Units Gamemax GX Pro 1050g Gold Power Supply
Gamemax GX Pro 1050g Gold Power Supply
£119.99
1 store
Gamemax GX Pro 1250g Gold Power Supply
Gamemax GX Pro 1250g Gold Power Supply
£145.98
1 store
Gamemax GX 850GF Gold Power Supply
Gamemax GX 850GF Gold Power Supply
£93.99
1 store
Gamemax GZ 750g Gold Power Supply
Gamemax GZ 750g Gold Power Supply
£97.98
1 store
Gamemax RGB Pro 850g Gold Power Supply
Gamemax RGB Pro 850g Gold Power Supply
£110.48
1 store
Gamemax GX 750GF Gold Power Supply
Gamemax GX 750GF Gold Power Supply
£80.99
1 store
Gamemax GX 650GF Gold Power Supply
Gamemax GX 650GF Gold Power Supply
£80.98
1 store
Gamemax GP 650B Bronze Power Supply
Gamemax GP 650B Bronze Power Supply
£65.99
1 store
DeepCool Pq750g 80 Plus Modular Power Supply
DeepCool
DeepCool Pq750g 80 Plus Modular Power Supply
£100.48
1 store
Gamemax RGB 750g Gold Power Supply
Gamemax RGB 750g Gold Power Supply
£88.99
1 store
Gamemax GS 750g Wh Power Supply
Gamemax GS 750g Wh Power Supply
£109.48
1 store
Gamemax GP 550B Bronze Power Supply
Gamemax GP 550B Bronze Power Supply
£54.48
1 store
Coolbox Fapw3550 Power Supply Blue
Coolbox Fapw3550 Power Supply Blue
£27.48
1 store
Gamemax GP 750B Bronze Power Supply
Gamemax GP 750B Bronze Power Supply
£65.99
1 store
Gamemax GP 650B Bronze Power Supply
Gamemax GP 650B Bronze Power Supply
£64.49
1 store
Gamemax GX 700g Gold Power Supply
Gamemax GX 700g Gold Power Supply
£76.48
1 store
MSI A500n-h Power Supply 5 Units
MSI A500n-h Power Supply 5 Units
£136.98
1 store
Corsair RMx Shift Series RM1000x Power Supply Unit
Corsair RMx Shift Series RM1000x Power Supply Unit
£179.98
1 store
Thermaltake Toughpower GT Power Supply Unit 850 W
Thermaltake Toughpower GT Power Supply Unit 850 W
£89.98
1 store
Hiditec GDX750 V3 750W Modular Power Supply
Hiditec GDX750 V3 750W Modular Power Supply
£106.99
1 store
Fractal Design Ion 3 Gold 1000w Modular Power Supply
Fractal Design Ion 3 Gold 1000w Modular Power Supply
£158.99
1 store
Mars Gaming Mpb1200psiw Power Supply Silver
Mars Gaming Mpb1200psiw Power Supply Silver
£95.99
1 store
Mars Gaming Mpb1200psi Power Supply Silver
Mars Gaming Mpb1200psi Power Supply Silver
£94.99
1 store
Cougar GR 750W 80 Plus Gold Modular Power Supply
Cougar GR 750W 80 Plus Gold Modular Power Supply
£86.49
1 store
DeepCool Ps850g Power Supply Unit 850 W
DeepCool
DeepCool Ps850g Power Supply Unit 850 W
£118.99
1 store
NOX Gdm 750w Ventilador 12cm Atx Gold Power Supply
NOX Gdm 750w Ventilador 12cm Atx Gold Power Supply
£71.99
1 store
MSI Mag A650bn Pcie5 Ii Power Supply Unit
MSI Mag A650bn Pcie5 Ii Power Supply Unit
£81
1 store
ASUS TUF Gaming 650W Gold EVO Fully Modular
ASUS TUF Gaming 650W Gold EVO Fully Modular
£84.98
Out of stock
Enermax EPS1200P-NPX Power Supply 1200W
Enermax EPS1200P-NPX Power Supply 1200W
£165.99
1 store
Mars Gaming Mpb750psi Gold Power Supply
Mars Gaming Mpb750psi Gold Power Supply
£58.98
1 store
HP JG544A Network Switch Power Supply
HP JG544A Network Switch Power Supply
£689.99
Out of stock
Mars Gaming Mpb750psi Power Supply Silver
Mars Gaming Mpb750psi Power Supply Silver
£58.48
1 store
UNYKAch Atilius Power Supply 220V
UNYKAch Atilius Power Supply 220V
£73.98
1 store
Fractal Design Ion 3 Gold 1000w Modular Power Supply
Fractal Design Ion 3 Gold 1000w Modular Power Supply
£165.99
1 store
TP-Link 150W DC Power Supply Module
TP-Link 150W DC Power Supply Module
£99.99
Out of stock
Hiditec Rl750 80plus 750w Bronze Power Supply
Hiditec Rl750 80plus 750w Bronze Power Supply
£48.98
1 store
Antec Signature SP2200 80PLUS Platinum Modular ATX Module
Antec Signature SP2200 80PLUS Platinum Modular ATX Module
£449.99
Out of stock
Fractal Design Ion 3 Gold 850w Modular Power Supply
Fractal Design Ion 3 Gold 850w Modular Power Supply
£129.99
1 store
Thermaltake Toughpower 2000w Power Supply
Thermaltake Toughpower 2000w Power Supply
£536.98
1 store
Lian Li Eg0750g Power Supply Unit 750 W
Lian Li Eg0750g Power Supply Unit 750 W
£94.99
1 store
Aisens 500W ATX 2.0 TFX Power Supply Unit
Aisens 500W ATX 2.0 TFX Power Supply Unit
£22.98
1 store
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.

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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.

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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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