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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 MSI MAG A850GL PCIE5 850W
MSI MAG A850GL PCIE5 850W
Gold 80 PLUS Certification
£79.99
6 stores
PSU Units Gigabyte GP-P650G PG5 650W 80 Plus Gold PSU
Gigabyte GP-P650G PG5 650W 80 Plus Gold PSU
£50.06
6 stores
PSU Units Gigabyte AORUS ELITE AE1000PM PG5 ICE Modular 80 Plus Platinum PSU
Gigabyte AORUS ELITE AE1000PM PG5 ICE Modular 80 Plus Platinum PSU
Platinum 80 PLUS Certification
£124.99
6 stores
PSU Units Gigabyte UD850GM PG5 V2 850W Gold Fully Modular ATX Power Supply
Gigabyte UD850GM PG5 V2 850W Gold Fully Modular ATX Power Supply
£75
9 stores
PSU Units Seasonic Core BC-850 850W ATX Bronze Power Supply
Seasonic Core BC-850 850W ATX Bronze Power Supply
£64.99
9+ stores
PSU Units Seasonic Prime PX ATX3 2200 Watt Fully Modular 80+ Platinum
-16%
Seasonic Prime PX ATX3 2200 Watt Fully Modular 80+ Platinum
Platinum 80 PLUS Certification
£410.77
£489.06
9+ stores
PSU Units Be Quiet! System Power 11 750W Bronze ATX ATX
Trending
Be Quiet! System Power 11 750W Bronze ATX ATX
£55.15
9+ stores
PSU Units NZXT C1000 1000W ATX Power Supply Unit
NZXT C1000 1000W ATX Power Supply Unit
£118.11
9+ stores
Seasonic FOCUS GX-850 (2024) 850W
-16%
Seasonic FOCUS GX-850 (2024) 850W
Gold 80 PLUS Certification
£125.52
£149.99
9 stores
ASUS Prime 750w Bronze Psu Double Ball Bearing Unit
ASUS Prime 750w Bronze Psu Double Ball Bearing Unit
Bronze 80 PLUS Certification
£54.99
9+ stores
MSI Mpg A850G 850W Power Supply
MSI Mpg A850G 850W Power Supply
Gold 80 PLUS Certification
£89.99
9+ stores
Gigabyte P750BS 750W 80 Plus Bronze
-12%
Gigabyte P750BS 750W 80 Plus Bronze
Bronze 80 PLUS Certification
£43.98
£49.84
9+ stores
Be Quiet! Pure Power 13 M 750W 80PLUS Gold ATX 3.1
-14%
Be Quiet! Pure Power 13 M 750W 80PLUS Gold ATX 3.1
£68.87
£79.96
9+ stores
Cooler Master MWE Gold V2 ATX 3.1 PSU MPE-A501-AFCAG-3VUK
Cooler Master MWE Gold V2 ATX 3.1 PSU MPE-A501-AFCAG-3VUK
Gold 80 PLUS Certification
£99.99
9+ stores
Be Quiet! Power Zone 2 1000 Watt Fully Modular 80+ Platinum ATX 3.1
-22%
Be Quiet! Power Zone 2 1000 Watt Fully Modular 80+ Platinum ATX 3.1
Platinum 80 PLUS Certification
£111.53
£142.99
9+ stores
Be Quiet! Power Zone 2 850W Platinum PSU
-24%
Be Quiet! Power Zone 2 850W Platinum PSU
Platinum 80 PLUS Certification
£90.11
£118.99
9+ stores
Be Quiet! Power Zone 2 750 Watt Fully Modular 80+ Platinum ATX 3.1
-23%
Be Quiet! Power Zone 2 750 Watt Fully Modular 80+ Platinum ATX 3.1
£80.46
£104.98
9+ stores
Be Quiet! Pure Power 12 850W
-23%
Be Quiet! Pure Power 12 850W
Gold 80 PLUS Certification
£69.02
£89.98
9+ stores
Be Quiet! Pure Power 12 550W
-14%
Be Quiet! Pure Power 12 550W
Gold 80 PLUS Certification
£51.40
£59.95
9+ stores
ASUS ROG Strix 850W Power Supply Unit
ASUS ROG Strix 850W Power Supply Unit
Platinum 80 PLUS Certification
£129.90
9+ stores
Be Quiet! Pure Power 12 1000W
-25%
Be Quiet! Pure Power 12 1000W
Gold 80 PLUS Certification
£80.62
£107.99
9+ stores
Antec HCG 850 Pro Platinum 850W ATX3.1
-12%
Antec HCG 850 Pro Platinum 850W ATX3.1
£112.49
£127.96
9+ stores
ASUS ROG Loki SFX-L 1200W Titanium
ASUS ROG Loki SFX-L 1200W Titanium
Titanium 80 PLUS Certification
£268.01
9+ stores
ASUS TUF Gaming 1200W
ASUS TUF Gaming 1200W
Gold 80 PLUS Certification
£166.94
9+ stores
ASUS TUF Gaming 850W
ASUS TUF Gaming 850W
Gold 80 PLUS Certification
£98.69
9+ stores
MSI MAG A650GL 600W
MSI MAG A650GL 600W
Gold 80 PLUS Certification
£69.99
9+ stores
Gamemax RPG Rampage 700W 80 Plus Bronze
Gamemax RPG Rampage 700W 80 Plus Bronze
Bronze 80 PLUS Certification
£37.99
6 stores
Corsair RM750x 750W Power Supply Plus Gold
Corsair RM750x 750W Power Supply Plus Gold
£84.99
7 stores
Gigabyte Aorus Elite 850W Fully Modular Power Supply
Gigabyte Aorus Elite 850W Fully Modular Power Supply
£104.54
9 stores
Gigabyte 1000W ATX 12V V3.1 Fully Modular Power Supply
Gigabyte 1000W ATX 12V V3.1 Fully Modular Power Supply
£105
9 stores
Gigabyte UD750GM PG5 V2 Power Supply Unit
Trending
Gigabyte UD750GM PG5 V2 Power Supply Unit
£69
8 stores
Be Quiet! Pure Power 13 M 650W 80PLUS Gold ATX 3.1
-13%
Be Quiet! Pure Power 13 M 650W 80PLUS Gold ATX 3.1
Gold 80 PLUS Certification
£65.35
£74.99
9+ stores
Be Quiet! Pure Power 13 M 850W 80PLUS Gold ATX 3.1 PSU
-10%
Be Quiet! Pure Power 13 M 850W 80PLUS Gold ATX 3.1 PSU
Gold 80 PLUS Certification
£76.12
£84.95
9+ stores
Asrock 850W Challenger CL-850G 80 Plus Gold
-13%
Asrock 850W Challenger CL-850G 80 Plus Gold
Gold 80 PLUS Certification
£71.57
£82.68
9 stores
NZXT C1000 1000W ATX Power Supply Unit
NZXT C1000 1000W ATX Power Supply Unit
£118.11
8 stores
Seasonic Core GX-650-V2 Power Supply 650 Watt
Seasonic Core GX-650-V2 Power Supply 650 Watt
Gold 80 PLUS Certification
£77.99
9+ stores
Be Quiet! Straight Power 12 850W
-16%
Be Quiet! Straight Power 12 850W
Platinum 80 PLUS Certification
£122.19
£145.99
7 stores
Be Quiet! Pure Power 13 M 550W 80PLUS Gold Fully Modular ATX 3.1 PSU
-15%
Be Quiet! Pure Power 13 M 550W 80PLUS Gold Fully Modular ATX 3.1 PSU
£68.05
£79.98
9+ stores
Be Quiet! SFX L Power 600W
-12%
Be Quiet! SFX L Power 600W
Gold 80 PLUS Certification
£84.03
£94.98
9+ stores
ASUS TUF Gaming 850W Gold EVO PSU
ASUS TUF Gaming 850W Gold EVO PSU
£98.69
9+ stores
ASUS TUF Gaming 750G Evo PSU
-14%
ASUS TUF Gaming 750G Evo PSU
Gold 80 PLUS Certification
£90.54
£104.98
9+ stores
ASUS Prime 750W Gold ATX 3.1 Fully Modular
ASUS Prime 750W Gold ATX 3.1 Fully Modular
£86.45
9+ stores
ASUS Prime 850g
-13%
ASUS Prime 850g
£90.54
£104.33
9+ stores
ASUS Prime 650W 80 Plus Bronze Power Supply
ASUS Prime 650W 80 Plus Bronze Power Supply
£57.90
9+ stores
Be Quiet! Dark Power 14 1000W Black
-18%
Be Quiet! Dark Power 14 1000W Black
Titanium 80 PLUS Certification
£158.91
£192.99
9+ stores
Be Quiet! Dark Power 14 1200W Black
-17%
Be Quiet! Dark Power 14 1200W Black
Titanium 80 PLUS Certification
£174
£208.80
9+ stores
ASUS Pro WS 1600W Platinum 80 Plus Platinum
-16%
ASUS Pro WS 1600W Platinum 80 Plus Platinum
£352.39
£419.99
9+ stores
ASUS ROG Thor 1000W 80 Platinum III Modular ATX Power Supply
ASUS ROG Thor 1000W 80 Platinum III Modular ATX Power Supply
Platinum 80 PLUS Certification
£279.90
9+ stores

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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