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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 HP SPS-PSU ENTL11 SFF 240W PC Netzteil

HP SPS-PSU ENTL11 SFF 240W PC Netzteil

£67.06
Or 3 interest-free payments of £22.35/mo.*
1store
PSU Units Commodore C128 PSU 30W LED Power Supply

Commodore C128 PSU 30W LED Power Supply

£43.99
Or 3 interest-free payments of £14.66/mo.*
1store
PSU Units Vossloh Schwabe Power Supply Ln13.313 2x5 7 9 11w

Vossloh Schwabe Power Supply Ln13.313 2x5 7 9 11w

£94.96
Or 3 interest-free payments of £31.65/mo.*
1store
PSU Units Opticon 11052 Power Supply 5V 2.2A

Opticon 11052 Power Supply 5V 2.2A

£17.12
Or 3 interest-free payments of £5.70/mo.*
1store
PSU Units Commodore Amiga PSU Power Supply for A500 A500 A500 Plug

Commodore Amiga PSU Power Supply for A500 A500 A500 Plug

£49.99
Or 3 interest-free payments of £16.66/mo.*
1store
PSU Units HP Power Supply Unit 500 W

HP Power Supply Unit 500 W

£162.65
Or 3 interest-free payments of £54.21/mo.*
1store
HP Power Supply 300W

HP Power Supply 300W

£42.52
Or 3 interest-free payments of £14.17/mo.*
1store
Thermaltake Smart DPS G Digital 450w Power Supply

Thermaltake Smart DPS G Digital 450w Power Supply

£71.26
Or 3 interest-free payments of £23.75/mo.*
1store
Dell 240W Power Supply Smll Form

Dell 240W Power Supply Smll Form

Platinum 80 PLUS Certification

£91.79
Or 3 interest-free payments of £30.59/mo.*
1store
Silverstone ATTIS 650R Bronze 650 Watt Wired

Silverstone ATTIS 650R Bronze 650 Watt Wired

Bronze 80 PLUS Certification

£59.99
Or 3 interest-free payments of £19.99/mo.*
1store
Thermaltake Toughpower GF A3 850 Watt PCIE 5.1 PCIE 5.1

Thermaltake Toughpower GF A3 850 Watt PCIE 5.1 PCIE 5.1

£99.98
Or 3 interest-free payments of £33.32/mo.*
1store
Corsair RM1000x Shift Fully Modular ATX Power Supply

Corsair RM1000x Shift Fully Modular ATX Power Supply

£164.99
Or 3 interest-free payments of £54.99/mo.*
1store
Thermaltake Toughpower TF3 1300W 80+ Titanium ATX 3 Power Supply

Thermaltake Toughpower TF3 1300W 80+ Titanium ATX 3 Power Supply

£244.99
Or 3 interest-free payments of £81.66/mo.*
1store
Thermaltake Toughpower GT Black 1200W Modular ATX3.1

Thermaltake Toughpower GT Black 1200W Modular ATX3.1

£139.99
Or 3 interest-free payments of £46.66/mo.*
1store
MSI ATX 500W Power Supply

MSI ATX 500W Power Supply

£56.90
Or 3 interest-free payments of £18.96/mo.*
1store
Seasonic Core GX White ATX 3.1 650W PCIE 5.1 Po

Seasonic Core GX White ATX 3.1 650W PCIE 5.1 Po

£99.98
Or 3 interest-free payments of £33.32/mo.*
1store
Justop Black ATX 500W Power Supply 120mm

Justop Black ATX 500W Power Supply 120mm

£21.24
Or 3 interest-free payments of £7.08/mo.*
1store
Cooler Master MWE 750 White 230V 2 750 W 200 240 V 50 60 Hz-6

Cooler Master MWE 750 White 230V 2 750 W 200 240 V 50 60 Hz-6

£85.40
Or 3 interest-free payments of £28.46/mo.*
LC-Power LC6750G-SI V3.1 ATX Netzteil

LC-Power LC6750G-SI V3.1 ATX Netzteil

£103.51
Or 3 interest-free payments of £34.50/mo.*
1store
Thermaltake Toughpower GF A3 Snow 850 Watt ATX

Thermaltake Toughpower GF A3 Snow 850 Watt ATX

Gold 80 PLUS Certification

£109.99
Or 3 interest-free payments of £36.66/mo.*
1store
Be Quiet! 750W System Power 11 80 Plus Bronze PSU

Be Quiet! 750W System Power 11 80 Plus Bronze PSU

£84.99
Or 3 interest-free payments of £28.33/mo.*
1store
Thermaltake Toughpower GT Snow 1200W Modular ATX 3.1

Thermaltake Toughpower GT Snow 1200W Modular ATX 3.1

£139.99
Or 3 interest-free payments of £46.66/mo.*
1store
Lian Li EDGE Gold 1200 Watt Fully Modular 80+ Gold PSU with USB & Fan

Lian Li EDGE Gold 1200 Watt Fully Modular 80+ Gold PSU with USB & Fan

Gold 80 PLUS Certification

£149.99
Or 3 interest-free payments of £49.99/mo.*
1store
Thermaltake Toughpower GT Snow 1000W Modular ATX 3.1

Thermaltake Toughpower GT Snow 1000W Modular ATX 3.1

£124.99
Or 3 interest-free payments of £41.66/mo.*
1store
Thermaltake Toughpower GF A3 650 Watt Fully Modular 80+ Gold PSU

Thermaltake Toughpower GF A3 650 Watt Fully Modular 80+ Gold PSU

£79.99
Or 3 interest-free payments of £26.66/mo.*
1store
Thermaltake Toughpower GT Snow 750W Modular ATX 3.1

Thermaltake Toughpower GT Snow 750W Modular ATX 3.1

£84.98
Or 3 interest-free payments of £28.32/mo.*
1store
Zalman Gigamax ZM600-GV2SE 600W Net

Zalman Gigamax ZM600-GV2SE 600W Net

£48.85
Or 3 interest-free payments of £16.28/mo.*
1store
Gold Note PSU-10 EVO Black Hi-Fi Electronic Power Supply

Gold Note PSU-10 EVO Black Hi-Fi Electronic Power Supply

Gold 80 PLUS Certification

£1,046.58
1store
Lenovo 180W Power Supply

Lenovo 180W Power Supply

£64.75
Or 3 interest-free payments of £21.58/mo.*
1store
IBM xSeries 3550 670W Ho-Swp

IBM xSeries 3550 670W Ho-Swp

£39.90
Or 3 interest-free payments of £13.30/mo.*
1store
LC-Power Netzteil 650W ATX LC6650B-SI V3.1

LC-Power Netzteil 650W ATX LC6650B-SI V3.1

Bronze 80-PLUS-Zertifizierung

£81.37
Or 3 interest-free payments of £27.12/mo.*
1store
Cisco ASR-920-PWR-A Network Switch

Cisco ASR-920-PWR-A Network Switch

£442.68
Or 3 interest-free payments of £147.56/mo.*
1store
Fujitsu Modular Psu 800W Titanium

Fujitsu Modular Psu 800W Titanium

Titanium 80 PLUS Certification

£35.26
Or 3 interest-free payments of £11.75/mo.*
1store
Tlily PCIe5.0 Graphics Card ATX 3.0 Power Supply 12VHPWR 16 to 16P 600W

Tlily PCIe5.0 Graphics Card ATX 3.0 Power Supply 12VHPWR 16 to 16P 600W

£7.69
Or 3 interest-free payments of £2.56/mo.*
1store
Tlily PCIe5.0 Graphics Card ATX 3.0 Power Supply 12VHPWR 12+4 16P 600W

Tlily PCIe5.0 Graphics Card ATX 3.0 Power Supply 12VHPWR 12+4 16P 600W

£8.34
Or 3 interest-free payments of £2.78/mo.*
1store
Thermaltake Thermaltake Toughpower GT 850 Watt Fully Modular 80+ Gold PCIe 5.1
Trending

Thermaltake Thermaltake Toughpower GT 850 Watt Fully Modular 80+ Gold PCIe 5.1

Gold 80 PLUS Certification

£94.99
Or 3 interest-free payments of £31.66/mo.*
1store
HPE Proliant N40L 150W Power

HPE Proliant N40L 150W Power

£187.27
Or 3 interest-free payments of £62.42/mo.*
1store
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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