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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 CyberPower Systems PR2200ELCDSL Professional Tower Tower 2200VA 1980W

CyberPower Systems PR2200ELCDSL Professional Tower Tower 2200VA 1980W

£727.87
Or 3 interest-free payments of £242.62/mo.*
1store
PSU Units Dell 450-ALEE Power Supply Unit 1400 W 2U

Dell 450-ALEE Power Supply Unit 1400 W 2U

£32.46
Or 3 interest-free payments of £10.82/mo.*
1store
PSU Units Acer FSP Group 220

Acer FSP Group 220

£57.00
Or 3 interest-free payments of £19.00/mo.*
1store
PSU Units Nvidia Mellanox power supply hot-plug

Nvidia Mellanox power supply hot-plug

£954.47
Or 3 interest-free payments of £318.15/mo.*
1store
PSU Units Nvidia 930-9BPSU-00JZ-000 Power Supply 1100 Watt

Nvidia 930-9BPSU-00JZ-000 Power Supply 1100 Watt

£935.38
Or 3 interest-free payments of £311.79/mo.*
1store
PSU Units Dell 800W Non-Redundant PC Netzteil

Dell 800W Non-Redundant PC Netzteil

Gold 80-PLUS-Zertifizierung

£329.57
Or 3 interest-free payments of £109.85/mo.*
1store
PSU Units Veracity Powerstar 57V DC 1U Rackmount PSU

Veracity Powerstar 57V DC 1U Rackmount PSU

£794.56
Or 3 interest-free payments of £264.85/mo.*
PSU Units Poly Rove 30 40 B2 B4 R8 Power Supply 5V 2A

Poly Rove 30 40 B2 B4 R8 Power Supply 5V 2A

£27.90
Or 3 interest-free payments of £9.30/mo.*
1store
Corsair CX650M 650W

Corsair CX650M 650W

Bronze 80 PLUS Certification

£98.60
Or 3 interest-free payments of £32.86/mo.*
Zalman GigaMax III ZM850-GV3 850W NET

Zalman GigaMax III ZM850-GV3 850W NET

Bronze 80 PLUS Certification

£67.51
Or 3 interest-free payments of £22.50/mo.*
1store
Forever Pulse Power Supply Kemot 12V 5A Desktop

Forever Pulse Power Supply Kemot 12V 5A Desktop

£15.68
Or 3 interest-free payments of £5.22/mo.*
1store
Planet GPL-PWR75-AC 75-watt AC

Planet GPL-PWR75-AC 75-watt AC

£105.50
Or 3 interest-free payments of £35.16/mo.*
1store
Dell 280W Power Supply, PFC, LiteOn

Dell 280W Power Supply, PFC, LiteOn

£67.86
Or 3 interest-free payments of £22.62/mo.*
1store
Netgear APS600W Power Supply Unit

Netgear APS600W Power Supply Unit

Platinum 80 PLUS Certification

£396.38
Or 3 interest-free payments of £132.12/mo.*
1store
Dell Mini Tower Power Supply 265W

Dell Mini Tower Power Supply 265W

£87.89
Or 3 interest-free payments of £29.29/mo.*
1store
Dell 180W Power Supply

Dell 180W Power Supply

£68.35
Or 3 interest-free payments of £22.78/mo.*
1store
HPE Enterprise 399542-B21 power supply unit 700W

HPE Enterprise 399542-B21 power supply unit 700W

£37.97
Or 3 interest-free payments of £12.65/mo.*
1store
Dell SPLY 250W DT APFC

Dell SPLY 250W DT APFC

£86.58
Or 3 interest-free payments of £28.86/mo.*
1store
Eurocase MP-600AT 400W Power Supply

Eurocase MP-600AT 400W Power Supply

£55.40
Or 3 interest-free payments of £18.46/mo.*
1store
Seasonic Alimentation Noir

Seasonic Alimentation Noir

Gold 80 PLUS Certification

£243.93
Or 3 interest-free payments of £81.31/mo.*
1store
Be Quiet! BN656 Dark Power 12-power supply-750

Be Quiet! BN656 Dark Power 12-power supply-750

£274.85
Or 3 interest-free payments of £91.61/mo.*
Dehner Elektronik SPE 500-12 SMPSU 12V 41.7A 500W Low Profile

Dehner Elektronik SPE 500-12 SMPSU 12V 41.7A 500W Low Profile

£237.85
Or 3 interest-free payments of £79.28/mo.*
1store
Juniper JPSU-650W-DC-AFO 650W DC Power Supply

Juniper JPSU-650W-DC-AFO 650W DC Power Supply

£6,986.21
1store
EVGA 100N10400L1 400W PSU

EVGA 100N10400L1 400W PSU

£48.96
Or 3 interest-free payments of £16.32/mo.*
Seasonic SSP-300SUG 300W Server Power Supply

Seasonic SSP-300SUG 300W Server Power Supply

£94.98
Or 3 interest-free payments of £31.66/mo.*
1store
Seasonic SS-600H2U 600W Power Supply Unit

Seasonic SS-600H2U 600W Power Supply Unit

£181.76
Or 3 interest-free payments of £60.58/mo.*
1store
Dell PowerEdge 750W 80+ Platinum

Dell PowerEdge 750W 80+ Platinum

Platinum 80 PLUS Certification

£37.97
Or 3 interest-free payments of £12.65/mo.*
1store
Dehner Elektronik SPE 150-05 AC/DC PSU

Dehner Elektronik SPE 150-05 AC/DC PSU

£85.60
Or 3 interest-free payments of £28.53/mo.*
2stores
Tlily 24Pin 12V 450W Realan Mini

Tlily 24Pin 12V 450W Realan Mini

£36.82
Or 3 interest-free payments of £12.27/mo.*
1store
Dehner Elektronik ATM 090T-P120 PSU fixed

Dehner Elektronik ATM 090T-P120 PSU fixed

£75.05
Or 3 interest-free payments of £25.01/mo.*
2stores
Dell 750W 80+ Platinum Power

Dell 750W 80+ Platinum Power

Platinum 80 PLUS Certification

£37.97
Or 3 interest-free payments of £12.65/mo.*
1store
Dehner Elektronik SPE 200-05 AC/DC PSU module

Dehner Elektronik SPE 200-05 AC/DC PSU module

£101.24
Or 3 interest-free payments of £33.74/mo.*
2stores
Seasonic SSP-300SUB-300 W-100-240V 50 60 Hz Active 14 A-18 A

Seasonic SSP-300SUB-300 W-100-240V 50 60 Hz Active 14 A-18 A

£58.91
Or 3 interest-free payments of £19.63/mo.*
Cooler Master MPE6501AFAAGEU MWE Gold 650-V2 Full

Cooler Master MPE6501AFAAGEU MWE Gold 650-V2 Full

Gold 80 PLUS Certification

£123.04
Or 3 interest-free payments of £41.01/mo.*
Be Quiet! BN617 Straight Power 11-Power Supply 550 Watt

Be Quiet! BN617 Straight Power 11-Power Supply 550 Watt

Gold 80 PLUS Certification

£143.53
Or 3 interest-free payments of £47.84/mo.*
HPE Power Supply Unit 800 W Grey

HPE Power Supply Unit 800 W Grey

£133.81
Or 3 interest-free payments of £44.60/mo.*
1store
Corsair CX Series 650 Watt 80 Plus Bronze Modular Power Supply

Corsair CX Series 650 Watt 80 Plus Bronze Modular Power Supply

Bronze 80 PLUS Certification

£393.19
Or 3 interest-free payments of £131.06/mo.*
1store
Be Quiet! Dark Power 13 1000 Titanium

Be Quiet! Dark Power 13 1000 Titanium

£219.98
Or 3 interest-free payments of £73.32/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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