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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 Zalman GigaMax III ZM750-GV3 750W PSU

Zalman GigaMax III ZM750-GV3 750W PSU

£64.19
Or 3 interest-free payments of £21.39/mo.*
1store
PSU Units Lian Li RS Series 80 PLUS Gold Netzteil 1000 Watt

Lian Li RS Series 80 PLUS Gold Netzteil 1000 Watt

£146.60
Or 3 interest-free payments of £48.86/mo.*
1store
PSU Units Seasonic Vertex GX-1200 Power Supply Unit

Seasonic Vertex GX-1200 Power Supply Unit

£217.42
Or 3 interest-free payments of £72.47/mo.*
1store
PSU Units Lenovo PSU 150W

Lenovo PSU 150W

£58.21
Or 3 interest-free payments of £19.40/mo.*
1store
PSU Units Seasonic Core GC-750 ATX3 750W PC Netzteil

Seasonic Core GC-750 ATX3 750W PC Netzteil

£120.11
Or 3 interest-free payments of £40.03/mo.*
1store
PSU Units Endorfy Vero L6 Bronze 650W PC Netzteil

Endorfy Vero L6 Bronze 650W PC Netzteil

£83.90
Or 3 interest-free payments of £27.96/mo.*
1store
Chieftec VITA SM3 650W ATX3.1 Retail PC Netzteil

Chieftec VITA SM3 650W ATX3.1 Retail PC Netzteil

£83.98
Or 3 interest-free payments of £27.99/mo.*
1store
Lian Li 750W SP750 V2 Gold Fully Modular

Lian Li 750W SP750 V2 Gold Fully Modular

£107.99
Or 3 interest-free payments of £35.99/mo.*
1store
Dell PSU 1100W R650 R750 R6525

Dell PSU 1100W R650 R750 R6525

£246.58
Or 3 interest-free payments of £82.19/mo.*
1store
Lenovo TFX 260W 85% PSU

Lenovo TFX 260W 85% PSU

£93.90
Or 3 interest-free payments of £31.30/mo.*
1store
Ubiquiti UISP UACC-PSU-27V-250W Inverter Power Adapter

Ubiquiti UISP UACC-PSU-27V-250W Inverter Power Adapter

£130.21
Or 3 interest-free payments of £43.40/mo.*
1store
Lian Li SP Platinum 850W Fully Modular ATX 3.1 White

Lian Li SP Platinum 850W Fully Modular ATX 3.1 White

£142.99
Or 3 interest-free payments of £47.66/mo.*
1store
HP Power Supply Unit 200 W 3U Black Grey

HP Power Supply Unit 200 W 3U Black Grey

£33.97
Or 3 interest-free payments of £11.32/mo.*
1store
Cisco C9400-PWR-2100AC Power Supply Unit

Cisco C9400-PWR-2100AC Power Supply Unit

£1,467.18
1store
Lian Li SX Platinum 1200W Fully Modular ATX 3.1 Black

Lian Li SX Platinum 1200W Fully Modular ATX 3.1 Black

£138.98
Or 3 interest-free payments of £46.32/mo.*
2stores
HP DC7900SFF Power Supply 240W

HP DC7900SFF Power Supply 240W

£63.44
Or 3 interest-free payments of £21.14/mo.*
1store
Lian Li SP750 V2 Gold 750 Watt Fully Modular

Lian Li SP750 V2 Gold 750 Watt Fully Modular

£109.99
Or 3 interest-free payments of £36.66/mo.*
1store
Corsair HX1500i SHIFT 2025 Cybenetics Platinum ATX
-20%

Corsair HX1500i SHIFT 2025 Cybenetics Platinum ATX

£224.99£279.98
Or 3 interest-free payments of £74.99/mo.*
2stores
Corsair RMe Series RM850e Fully Modular ATX Power Supply
-21%

Corsair RMe Series RM850e Fully Modular ATX Power Supply

£94.99£119.90
Or 3 interest-free payments of £31.66/mo.*
1store
Corsair RPS0119 750 W 24-Pin ATX Power Supply Unit

Corsair RPS0119 750 W 24-Pin ATX Power Supply Unit

£163.94
Or 3 interest-free payments of £54.64/mo.*
1store
Corsair CX550 80 Plus Bronze Low-Noise ATX Power Supply

Corsair CX550 80 Plus Bronze Low-Noise ATX Power Supply

£71.99
Or 3 interest-free payments of £23.99/mo.*
1store
Lian Li RB Series 750W 80 Plus Bronze PSU

Lian Li RB Series 750W 80 Plus Bronze PSU

£64.99
Or 3 interest-free payments of £21.66/mo.*
1store
Cooler Master 650W MWE Bronze V2 Bearing Fan

Cooler Master 650W MWE Bronze V2 Bearing Fan

£61.79
Or 3 interest-free payments of £20.59/mo.*
1store
Cooler Master 750W MWE Bronze V2 Bearing Fan

Cooler Master 750W MWE Bronze V2 Bearing Fan

£63.40
Or 3 interest-free payments of £21.13/mo.*
1store
Cooler Master MWE Bronze V2 550 Alimentation Électrique

Cooler Master MWE Bronze V2 550 Alimentation Électrique

£69.35
Or 3 interest-free payments of £23.11/mo.*
HP Z440 700W

HP Z440 700W

£189.86
Or 3 interest-free payments of £63.28/mo.*
1store
Zalman TeraMax II ZM1000-TMX2 VIEW 1000W PSU

Zalman TeraMax II ZM1000-TMX2 VIEW 1000W PSU

£134.51
Or 3 interest-free payments of £44.83/mo.*
1store
HP Laserjet Enterprise M506 Low Voltage Power Supply

HP Laserjet Enterprise M506 Low Voltage Power Supply

£49.00
Or 3 interest-free payments of £16.33/mo.*
1store
Greenzech 1000W Silent PC Power Supply Gaming PCI SATA ATX 12V 2.31 LED

Greenzech 1000W Silent PC Power Supply Gaming PCI SATA ATX 12V 2.31 LED

£159.59
Or 3 interest-free payments of £53.19/mo.*
1store
Powercool 650w Atx Psu 80+ Bronze Power Supply

Powercool 650w Atx Psu 80+ Bronze Power Supply

£39.98
Or 3 interest-free payments of £13.32/mo.*
1store
Tech EPS12V CPU 8 Pin Female to CPU ATX Supply Extension Cable

Tech EPS12V CPU 8 Pin Female to CPU ATX Supply Extension Cable

£36.93
Or 3 interest-free payments of £12.31/mo.*
1store
Lenovo 5p51d77025 7.4l 180w Power Supply

Lenovo 5p51d77025 7.4l 180w Power Supply

£64.75
Or 3 interest-free payments of £21.58/mo.*
1store

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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Since 1999, PriceRunner has helped millions of visitors find the best products at the best prices.

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