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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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1000+ products

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PSU Units HPE 1000W Power Supply Unit

HPE 1000W Power Supply Unit

£81.37
Or 3 interest-free payments of £27.12/mo.*
1store
PSU Units Lian Li EDGE Gold 1000 Watt PCIe 5.1 Fully Modular 80+ Gold PSU

Lian Li EDGE Gold 1000 Watt PCIe 5.1 Fully Modular 80+ Gold PSU

£129.98
Or 3 interest-free payments of £43.32/mo.*
1store
PSU Units Fujitsu Modular Psu 450W Platinum Hp

Fujitsu Modular Psu 450W Platinum Hp

Platinum 80 PLUS Certification

£82.68
Or 3 interest-free payments of £27.56/mo.*
1store
PSU Units Greenzech Rated 500W Desktop Host 12cm Fan

Greenzech Rated 500W Desktop Host 12cm Fan

£166.01
Or 3 interest-free payments of £55.33/mo.*
1store
PSU Units Dell Single Hot Plug Power Supply

Dell Single Hot Plug Power Supply

£19.38
Or 3 interest-free payments of £6.46/mo.*
1store
PSU Units Greenzech 600W White Power Supply ATX 80Plus

Greenzech 600W White Power Supply ATX 80Plus

£216.96
Or 3 interest-free payments of £72.32/mo.*
1store
PSU Units Fujitsu Modular Psu 450W Platinum Hp

Fujitsu Modular Psu 450W Platinum Hp

Platinum 80 PLUS Certification

£52.98
Or 3 interest-free payments of £17.66/mo.*
1store
Dell Powerswitch 550W Gold Reverse AirFlow Power Supply 01KXFV

Dell Powerswitch 550W Gold Reverse AirFlow Power Supply 01KXFV

£299.00
Or 3 interest-free payments of £99.66/mo.*
1store
HPE 1000 Watt Hot Plug Power

HPE 1000 Watt Hot Plug Power

£81.37
Or 3 interest-free payments of £27.12/mo.*
1store
HPE P44712-B21 1800W-2200W TI HT PLG Tip

HPE P44712-B21 1800W-2200W TI HT PLG Tip

£309.85
Or 3 interest-free payments of £103.28/mo.*
1store
Greenzech 750W ATX Fully Modular Power Supply 80Plus Gold

Greenzech 750W ATX Fully Modular Power Supply 80Plus Gold

£622.46
Or 3 interest-free payments of £207.48/mo.*
1store
SuperMicro 1U 20-Pin Redundant Power Distributor SC112

SuperMicro 1U 20-Pin Redundant Power Distributor SC112

£136.85
Or 3 interest-free payments of £45.61/mo.*
Tecnoware Free Silent PRO 650 Power Supply for NVIDIA GeForce GTX

Tecnoware Free Silent PRO 650 Power Supply for NVIDIA GeForce GTX

£51.90
Or 3 interest-free payments of £17.30/mo.*
1store
Greenzech 600W PC Power Supply Rated 120MM Cooling Fan

Greenzech 600W PC Power Supply Rated 120MM Cooling Fan

Bronze 80 PLUS Certification

£229.76
Or 3 interest-free payments of £76.58/mo.*
1store
Xilence Stromkabel zu Interne 4-polig W

Xilence Stromkabel zu Interne 4-polig W

£16.66
Or 3 interest-free payments of £5.55/mo.*
1store
Cougar Stc 80 Plus Internal Atx Power Supply

Cougar Stc 80 Plus Internal Atx Power Supply

£56.10
Or 3 interest-free payments of £18.70/mo.*
1store
Greenzech 550W ATX Fully Modular Power Supply 80Plus Gold

Greenzech 550W ATX Fully Modular Power Supply 80Plus Gold

£566.36
Or 3 interest-free payments of £188.78/mo.*
1store
LC-Power Nlc-Power 850W ATX 3.1 Power 80+ Gold

LC-Power Nlc-Power 850W ATX 3.1 Power 80+ Gold

Gold 80 PLUS Certification

£169.85
Or 3 interest-free payments of £56.61/mo.*
1store
Corsair Platform Series Power Supply with Cable

Corsair Platform Series Power Supply with Cable

£69.99
Or 3 interest-free payments of £23.33/mo.*
1store
LC-Power Netzteil ATX 3.1 850W 135mm 80+ Bronze

LC-Power Netzteil ATX 3.1 850W 135mm 80+ Bronze

Bronze 80 PLUS Certification

£153.83
Or 3 interest-free payments of £51.27/mo.*
1store
Greenzech 650W PSU PC Power Supply ATX Power Supply Unit 120mm Fan SATA

Greenzech 650W PSU PC Power Supply ATX Power Supply Unit 120mm Fan SATA

£140.51
Or 3 interest-free payments of £46.83/mo.*
1store
Greenzech 1000W ATX 12V 2.31 Power Supply

Greenzech 1000W ATX 12V 2.31 Power Supply

£166.01
Or 3 interest-free payments of £55.33/mo.*
1store
HPE Hot-Plug 500W Power Supply Kit 80 Plus Platinum 754377-001

HPE Hot-Plug 500W Power Supply Kit 80 Plus Platinum 754377-001

Platinum 80 PLUS Certification

£34.95
Or 3 interest-free payments of £11.65/mo.*
1store
Zalman Zalman Gigamax ZM500-GV2SE 500W PSU

Zalman Zalman Gigamax ZM500-GV2SE 500W PSU

£43.88
Or 3 interest-free payments of £14.62/mo.*
1store
Lian Li EDGE 1000 Watt Fully Modular 80+ Platinum PSU Power Supply

Lian Li EDGE 1000 Watt Fully Modular 80+ Platinum PSU Power Supply

Platinum 80 PLUS Certification

£159.98
Or 3 interest-free payments of £53.32/mo.*
1store
Dell NH429 Power Supply 280W PFC Hipro 07

Dell NH429 Power Supply 280W PFC Hipro 07

£70.25
Or 3 interest-free payments of £23.41/mo.*
1store
Greenzech 650W PSU PC Power Supply ATX Power Supply Unit 120mm Fan SATA

Greenzech 650W PSU PC Power Supply ATX Power Supply Unit 120mm Fan SATA

£140.51
Or 3 interest-free payments of £46.83/mo.*
1store
Greenzech 1000W Passive PFC Gaming Computer Power Supply

Greenzech 1000W Passive PFC Gaming Computer Power Supply

£214.46
Or 3 interest-free payments of £71.48/mo.*
1store
Zalman ZM750-TMX2 750W PSU

Zalman ZM750-TMX2 750W PSU

Gold 80 PLUS Certification

£104.64
Or 3 interest-free payments of £34.88/mo.*
1store
Dell E2700P-00 2700W Hot Swap AC Power Supply PSU

Dell E2700P-00 2700W Hot Swap AC Power Supply PSU

£60.00
Or 3 interest-free payments of £20.00/mo.*
1store
HPE ML110 G5 Power Supply 365w

HPE ML110 G5 Power Supply 365w

£89.18
Or 3 interest-free payments of £29.72/mo.*
1store
Greenzech 400W White Power Supply ATX 80Plus

Greenzech 400W White Power Supply ATX 80Plus

£178.71
Or 3 interest-free payments of £59.57/mo.*
1store
Greenzech 2000W PC Power Supply 110V-230V 95 Plus Gold ATX Miner

Greenzech 2000W PC Power Supply 110V-230V 95 Plus Gold ATX Miner

£433.76
Or 3 interest-free payments of £144.58/mo.*
1store
Lian Li EDGE 1000 Watt Fully Modular 80+ Platinum PSU Power Supply

Lian Li EDGE 1000 Watt Fully Modular 80+ Platinum PSU Power Supply

Platinum 80 PLUS Certification

£165.98
Or 3 interest-free payments of £55.32/mo.*
1store
Poly Power Adapter Netzteile ATX 80 Plus

Poly Power Adapter Netzteile ATX 80 Plus

£23.26
Or 3 interest-free payments of £7.75/mo.*
Corsair RM Series RM750 750W Modular 80+ Gold PSU

Corsair RM Series RM750 750W Modular 80+ Gold PSU

Gold 80 PLUS Certification

£124.33
Or 3 interest-free payments of £41.44/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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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.

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