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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 Lian Li EDGE GOLD 850 Watt PCIE5.1 PCIE5.1
Trending
Lian Li EDGE GOLD 850 Watt PCIE5.1 PCIE5.1
Gold 80 PLUS Certification
£86.26
6 stores
PSU Units Gigabyte UD1300GM PG5 1300W 80 Plus Gold Modular ATX Power Supply
Trending
Gigabyte UD1300GM PG5 1300W 80 Plus Gold Modular ATX Power Supply
£153.99
7 stores
PSU Units Asrock 850W Phantom Gaming PG-850G PSU Fully Modular
Asrock 850W Phantom Gaming PG-850G PSU Fully Modular
Gold, Platinum 80 PLUS Certification
£118.62
8 stores
PSU Units Seasonic Focus GX-1000 ATX Power Supply 1000W
Seasonic Focus GX-1000 ATX Power Supply 1000W
Gold 80 PLUS Certification
£108.91
8 stores
PSU Units ASUS ROG Strix EQ 1200W Platinum Power Supply
Trending
ASUS ROG Strix EQ 1200W Platinum Power Supply
Platinum 80 PLUS Certification
£199.37
9 stores
PSU Units Seasonic Core GX-850-V2 850W ATX Power Supply
Seasonic Core GX-850-V2 850W ATX Power Supply
£105.85
9+ stores
PSU Units Seasonic Core GC-850 ATX 3.1 PCIe Power Supply Unit
Seasonic Core GC-850 ATX 3.1 PCIe Power Supply Unit
£81.54
9+ stores
PSU Units Seasonic Core BC-750 750W Fully Wired Power Supply
Seasonic Core BC-750 750W Fully Wired Power Supply
£55.99
9+ stores
Seasonic Core GX-750 Power Supply Unit 750W
Seasonic Core GX-750 Power Supply Unit 750W
£96.15
9+ stores
Seasonic Core BC-650 650W Fully Wired Bronze ATX Power Supply
Seasonic Core BC-650 650W Fully Wired Bronze ATX Power Supply
£49.99
9+ stores
ASUS TUF Gaming 850W Gold EVO PSU
ASUS TUF Gaming 850W Gold EVO PSU
£98.69
9+ stores
Seasonic Core BC-850 850W ATX Bronze Power Supply
Seasonic Core BC-850 850W ATX Bronze Power Supply
£64.99
9+ stores
ASUS TUF Gaming 750G Evo PSU
ASUS TUF Gaming 750G Evo PSU
Gold 80 PLUS Certification
£90.54
9+ stores
ASUS Prime 750W Gold ATX 3.1 Fully Modular
ASUS Prime 750W Gold ATX 3.1 Fully Modular
£83.94
9+ stores
ASUS Prime 850g
ASUS Prime 850g
£88.75
9+ stores
NZXT 850W ATX Fully Modular Power Supply
NZXT 850W ATX Fully Modular Power Supply
£89.99
8 stores
NZXT C1000 Gold Core 1000w Psu
NZXT C1000 Gold Core 1000w Psu
£116.09
8 stores
Lian Li RS 1000W Fully Modular 80 Power Supply
-21%
Lian Li RS 1000W Fully Modular 80 Power Supply
£89.99
£113.37
8 stores
Seasonic Core GC-650 ATX Power Supply Unit
Seasonic Core GC-650 ATX Power Supply Unit
£63.09
9+ stores
Seasonic CORE GC-750 ATX Power Supply Unit
Seasonic CORE GC-750 ATX Power Supply Unit
£72.26
9+ stores
ASUS Prime 650W 80 Plus Bronze Power Supply
-14%
ASUS Prime 650W 80 Plus Bronze Power Supply
£49.96
£57.90
9+ stores
Gigabyte UD750GM PG5 V2 Power Supply Unit
Gigabyte UD750GM PG5 V2 Power Supply Unit
£78.98
8 stores
ASUS 2200W Platinum Modular 80 Plus Platinum
ASUS 2200W Platinum Modular 80 Plus Platinum
£448.54
9+ stores
Be Quiet! Pure Power 13 M 550W 80PLUS Gold Fully Modular ATX 3.1 PSU
Be Quiet! Pure Power 13 M 550W 80PLUS Gold Fully Modular ATX 3.1 PSU
£68.05
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
Asrock 1300W Taichi 1300T Modular 80 Plus Titanium PSU
Asrock 1300W Taichi 1300T Modular 80 Plus Titanium PSU
Platinum 80 PLUS Certification
£241.10
9 stores
ASUS Rog Thor 1200W Platinum III ATX 3.1 OLED
ASUS Rog Thor 1200W Platinum III ATX 3.1 OLED
Platinum 80 PLUS Certification
£328.13
9+ stores
Seasonic Core GX ATX 3 750W
Seasonic Core GX ATX 3 750W
Gold 80 PLUS Certification
£85.80
9 stores
Seasonic FOCUS GX-850 (2024) 850W
Seasonic FOCUS GX-850 (2024) 850W
Gold 80 PLUS Certification
£125.52
9 stores
Corsair 1000W HX1000i V2
Corsair 1000W HX1000i V2
£169.99
9+ stores
DeepCool PF500 500W
DeepCool
DeepCool PF500 500W
White (Standard) 80 PLUS Certification
£28.96
9+ stores
Corsair RM1000e (2025) 1000W
Corsair RM1000e (2025) 1000W
£139.22
5 stores
Antec CSK1000 Pro 1000W 80PLUS Bronze ATX 3.1
Antec CSK1000 Pro 1000W 80PLUS Bronze ATX 3.1
£69.48
4 stores
Gigabyte GP-P650G PG5 650W 80 Plus Gold PSU
Trending
Gigabyte GP-P650G PG5 650W 80 Plus Gold PSU
£48.98
5 stores
Corsair HX1500i SHIFT 2025 Cybenetics Platinum ATX
Trending
Corsair HX1500i SHIFT 2025 Cybenetics Platinum ATX
£224.99
5 stores
Cooler Master 750W MWE Gold V3 ATX3.1
-19%
Cooler Master 750W MWE Gold V3 ATX3.1
Gold 80 PLUS Certification
£56.91
£69.98
4 stores
Vida Lite 650W ATX PSU Fluid Fan
Trending
Vida Lite 650W ATX PSU Fluid Fan
£19.24
5 stores
Vida 750W Power Supply 140mm
Vida 750W Power Supply 140mm
Bronze 80 PLUS Certification
£35.15
5 stores
APNX MAX G1 1200W ATX PCIe Modular Power Supply
APNX MAX G1 1200W ATX PCIe Modular Power Supply
Gold 80 PLUS Certification
£143.02
5 stores
Lian Li RS 1200W Gold Power Supply
Lian Li RS 1200W Gold Power Supply
£127.95
5 stores
Corsair HX1200i SHIFT 2025 Cybenetics Platinum ATX
Corsair HX1200i SHIFT 2025 Cybenetics Platinum ATX
£202.42
5 stores
Gigabyte UD850GM PG5 V2 ICE 850W Power Supply Unit
Gigabyte UD850GM PG5 V2 ICE 850W Power Supply Unit
£93.99
8 stores
MSI MAG A850GLS PCIE5 850W Power Supply Unit
MSI MAG A850GLS PCIE5 850W Power Supply Unit
£109.39
5 stores
Gigabyte Gigabyte UD1000GM 80 Plus Power Supply
Gigabyte Gigabyte UD1000GM 80 Plus Power Supply
Gold 80 PLUS Certification
£115.99
4 stores
Vida 750W Gold ATX 3.1 Gaming PSU
Vida 750W Gold ATX 3.1 Gaming PSU
Gold 80 PLUS Certification
£46.87
6 stores
Gigabyte P750BS 750W 80 Plus Bronze
Gigabyte P750BS 750W 80 Plus Bronze
Bronze 80 PLUS Certification
£47.95
8 stores
Gigabyte Aorus Elite P1000W ICE Power Supply Unit
Gigabyte Aorus Elite P1000W ICE Power Supply Unit
Platinum 80 PLUS Certification
£120.16
7 stores
Corsair RM1000x Shift White Gold 1000W
Corsair RM1000x Shift White Gold 1000W
Gold 80 PLUS Certification
£144.98
4 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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