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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 750W RB 750B Fully Wired 80 Plus Bronze ATX 3.1 PSU
Lian Li 750W RB 750B Fully Wired 80 Plus Bronze ATX 3.1 PSU
£62.99
1 store
PSU Units Lian Li SX Series 80 PLUS Platinum Netzteil 1000W
Lian Li SX Series 80 PLUS Platinum Netzteil 1000W
Platin 80-PLUS-Zertifizierung
£144.18
Out of stock
PSU Units Cooler Master MWE Gold 850 V3 NM WH A UK Cord
Cooler Master MWE Gold 850 V3 NM WH A UK Cord
£84.99
1 store
PSU Units HP OMEN 1000W ATX EPA90 Power Supply
HP OMEN 1000W ATX EPA90 Power Supply
£169.99
1 store
PSU Units MSI MAG A750GL 750W Full Modular 80+ Gold PCIe 5.0 ATX3.0
MSI MAG A750GL 750W Full Modular 80+ Gold PCIe 5.0 ATX3.0
£99.98
1 store
PSU Units Dell Networking N2200 N3200 550W AC F2B Power Supply
Dell Networking N2200 N3200 550W AC F2B Power Supply
£324
1 store
PSU Units DC ATX PSU Box 12V 160W
DC ATX PSU Box 12V 160W
£26
1 store
PSU Units Zalman GigaMax III ZM750-GV3 750W PSU
Zalman GigaMax III ZM750-GV3 750W PSU
£62.88
1 store
Melitt 450W 24Pin 12V ITX PSU DC ATX Power Supply
Melitt 450W 24Pin 12V ITX PSU DC ATX Power Supply
£69.60
1 store
Redragon RGPS PS002 600W PC Power Supply
Redragon RGPS PS002 600W PC Power Supply
£79.75
1 store
DC 19V 300W PSU ATX Power Supply Unit
DC 19V 300W PSU ATX Power Supply Unit
£58.20
1 store
Breakout Board 1600W ETH ZEC Mining Server
Breakout Board 1600W ETH ZEC Mining Server
£6.60
1 store
ASUS Prime 750W Bronze Black 80+ Bronze ATX PSU
ASUS Prime 750W Bronze Black 80+ Bronze ATX PSU
£69.98
1 store
Endorfy Vero L6 Bronze 750 W
Endorfy Vero L6 Bronze 750 W
£47.74
1 store
HP PSU For HP 600 800 G3 G4 180W
HP PSU For HP 600 800 G3 G4 180W
£176.56
1 store
Cisco 715W AC 80+ Platinum Power Supply
Cisco 715W AC 80+ Platinum Power Supply
£594.99
Out of stock
Fujitsu Modular Psu 800W Platinum
Fujitsu Modular Psu 800W Platinum
£140
1 store
Dell PSU 1100W R650 R750 R6525
Dell PSU 1100W R650 R750 R6525
£444.49
1 store
Ubiquiti UISP UACC-PSU-27V-250W Inverter Power Adapter
Ubiquiti UISP UACC-PSU-27V-250W Inverter Power Adapter
£113.63
3 stores
Lian Li SX Series 80 PLUS Platinum Netzteil
Lian Li SX Series 80 PLUS Platinum Netzteil
Platin 80-PLUS-Zertifizierung
£152.82
Out of stock
HP Power Supply Unit 200 W 3U Black Grey
HP Power Supply Unit 200 W 3U Black Grey
£43.40
1 store
Lian Li SX0850P Power Supply Unit
Lian Li SX0850P Power Supply Unit
Platinum 80 PLUS Certification
£123.66
Out of stock
PCI-E 6PIN Input DC 12V 300W ATX Switch
PCI-E 6PIN Input DC 12V 300W ATX Switch
£146.22
1 store
HPE 830272-B21 1600W Plat HT PLG
HPE 830272-B21 1600W Plat HT PLG
£224.25
1 store
HP N05346-001 Power Supply Unit 240 W
HP N05346-001 Power Supply Unit 240 W
£76.80
Out of stock
DC 12V 300W 24Pin ATX Motherboard ITX Power Supply
DC 12V 300W 24Pin ATX Motherboard ITX Power Supply
£19.19
1 store
HP Power Supply Rated 1125 W
HP Power Supply Rated 1125 W
£193.90
1 store
Corsair CX550 80 Plus Bronze Low-Noise ATX Power Supply
-13%
Corsair CX550 80 Plus Bronze Low-Noise ATX Power Supply
£59.57
£68.34
1 store
ATX to SFX Power Supply Bracket
ATX to SFX Power Supply Bracket
£13.06
1 store
Powercool 650W X-Viper 80 Plus Bronze PSU
Powercool 650W X-Viper 80 Plus Bronze PSU
£34.99
1 store
Lenovo Fru24r2731 Power Supply 835w
Lenovo
Lenovo Fru24r2731 Power Supply 835w
£34.55
1 store
HP Laserjet Enterprise M506 Low Voltage Power Supply
HP Laserjet Enterprise M506 Low Voltage Power Supply
£49
1 store
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
1 store
ADP 400FR PA 1401 JT3 Power Supply
ADP 400FR PA 1401 JT3 Power Supply
£56.52
1 store
Sodial Flexible Graduated Eye Pupillary Distance Gauge
Sodial Flexible Graduated Eye Pupillary Distance Gauge
£4.97
1 store
Durable DC 12V 120W PSU Computer Power Supply Module
Durable DC 12V 120W PSU Computer Power Supply Module
£19.04
1 store
Lenovo 5p51d77025 7.4l 180w Power Supply
Lenovo
Lenovo 5p51d77025 7.4l 180w Power Supply
£55.88
Out of stock
HP Rp000127366 Power Supply 240w
HP Rp000127366 Power Supply 240w
£83.90
1 store
Be Quiet! Pure Power 13 M 850W ATX PSU
Be Quiet! Pure Power 13 M 850W ATX PSU
£100.94
1 store
Exogio DC 12V 250W 24Pin ATX PCIo PSU Module
Exogio DC 12V 250W 24Pin ATX PCIo PSU Module
£22.85
1 store
Commodore Amiga Psu Boost Adjustable Output Psu
Commodore Amiga Psu Boost Adjustable Output Psu
£104.39
1 store
Cisco 1150W C Power Supply
Cisco 1150W C Power Supply
£45.01
1 store
Sodial Adapter Board Server DPS-1200FB 8Pin
Sodial Adapter Board Server DPS-1200FB 8Pin
£10.30
1 store
HP Predator Triton Pt314-51s Palmrest Cover Keyboard
HP Predator Triton Pt314-51s Palmrest Cover Keyboard
£113.60
1 store
HP 2-Bay New-x2 Redundant Power Supply Backplane
HP 2-Bay New-x2 Redundant Power Supply Backplane
£26.99
1 store
Sodial Dual Psu Adapter Synchronous Board 24pin
Sodial Dual Psu Adapter Synchronous Board 24pin
£7.19
1 store
HP Server Power Supply 643954-201 Hstns-pl28
HP Server Power Supply 643954-201 Hstns-pl28
£46.10
1 store
Lenovo 180W Power Supply Uni
Lenovo
Lenovo 180W Power Supply Uni
£54.79
Out of stock
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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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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To ensure that you've found a good deal, you can view the product's price history. Select a time period and whether you wish to include international prices. Price history for the past three months is shown by default, but you can also look into a longer time period. If you want to determine if a deal from a specific shop is as good as it seems you can click on "Choose store" above the price graph to show an individual shop's pricing history.

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