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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: 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.
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 can impact performance if they do not supply adequate power. Insufficient power can lead to system instability or damage. Ensure your PSU provides enough wattage and has quality components to support reliable operation under load.
PSU Units' sizes are determined by their form factor, such as ATX or SFX. Choose one that fits your case and provides ample power for future upgrades. Most standard desktops use ATX PSUs, but always check your case specifications before purchasing.
Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. Credit subject to status. Ts&Cs and late fees apply.
Borrowing more than you can afford, or paying late, may make it harder to get credit in the future. Credit subject to status. A downpayment of 10% or higher may be required.
Financing has a representative 21.9% APR (fixed). Representative example: 21.9% APR representative based on a loan amount of £1200 repayable over 6 months at an interest rate of 21.9% p.a. (Fixed). 5 monthly payments of £211.81 and last payment of £210.37. Total amount payable of £1,269.42. Total charge for credit £69.42. Minimum and maximum purchase amount £250 - £10,000. Lender: Klarna Financial Services UK Limited (nr 14290857). T&Cs and late fees apply
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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.
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.
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Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. Credit subject to status. Ts&Cs and late fees apply.
Borrowing more than you can afford, or paying late, may make it harder to get credit in the future. Credit subject to status. A downpayment of 10% or higher may be required.
Financing has a representative 21.9% APR (fixed). Representative example: 21.9% APR representative based on a loan amount of £1200 repayable over 6 months at an interest rate of 21.9% p.a. (Fixed). 5 monthly payments of £211.81 and last payment of £210.37. Total amount payable of £1,269.42. Total charge for credit £69.42. Minimum and maximum purchase amount £250 - £10,000. Lender: Klarna Financial Services UK Limited (nr 14290857). T&Cs and late fees apply