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Quiet Power Supplies


High Performance Quiet PSUs

It is highly recommended for a modern PC system to incorporate a high-quality PSU capable of coping with the power demands of the most up to date components. However, a powerful PSU does not necessarily need to be noisy! Quiet PC's range of near-silent power supply units range from 300W to 700W and all have quiet features to ensure a virtually silent PSU.

Upgrading a noisy PC power supply

With any significant upgrade of your PC you should consider whether your new components need a more powerful and quiet PSU. Our range of virtually silent PSUs are able to handle the most demanding power requirements. Smooth, clean outputs, excellent regulation, effortless power delivery, rock-solid reliability day in, these are all features which make these quiet PC power supplies the number one choice for the discerning customer.

Why do you need a high quality PSU?

Compromising on your PSU can mean compromising on system stability. Poor voltage regulation and filtering from your PC power supply can cause component stress and cause your system to crash randomly. This can cause the loss of important data and ultimately decrease the lifespan and reliability of your PC. All of our quiet PSUs are standard 100% ATX compatible units. They are AMD approved and conform fully to Intel's ATX specification.

How can PSUs contribute to PC noise?

As the PC Power Supply Unit converts power from AC to low-voltage DC, some electricity is unavoidably converted to heat. To prevent the PSU getting too hot this heat is removed by a built in fan (or two). Fans can be a major cause of PC noise due to airflow and fan bearings. The virtually silent PSUs we have selected all address this by using innovative technology to optimise efficiency and reduce fan noise. For example our power supplies have a built-in temperature controlled fan. The fan's RPM will increase depending on the internal temperature of the PSU. Other power supplies go one step further and turn the fan off completely. It only rotates when the internal temperature of the PSU reaches a certain point. From a noise point of view this gives you quietness you would expect but also the peace of mind that the fan will start if things get a little hot.

Browse by PSU wattage

300W to 500W PSUs
300W to 500W
501W to 600W PSUs
501W to 600W
601W to 1000W PSUs
601W to 1000W


Non-standard / MicroATX PSUs

Our current stock of ATX power supplies are all standard, measuring a minimum of 86 x 150 x 140mm. If you are looking for a replacement microATX or a non-standard PSU then unfortunately we do not have anything available.

Dell owners

Our quiet power supply units are fully ATX compliant, which means that they will work in any standard ATX PC. You may or may not realise that PCs manufactured by Dell may use a power supply which often looks to be industry-standard, but in fact employs different wiring which makes replacement of the power supply with an ATX model impossible. Sometimes the physical size of the Dell PSU is different too. This approach ensures that when you need to replace or upgrade Dell components, the only place you can buy them from is Dell! With this in mind, Dell owners please check that our PSUs are compatible with your system before you buy. However, we do know that Dell 8250, 8300 and 4600 models use standard ATX power supplies so you can use any of our power supplies in these machines.

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Zalman ZM1000-HP Dual Heatpipe Cooled 1000W Modular PSU

ZM1000-HP Dual Heatpipe Cooled 1000W Modular PSU

Price: £156.51 (£179.99 inc. VAT)
Was £173.90 (£199.99 inc. VAT) SAVE 10%

  • Heatpipe cooling system
  • Modular design
  • High efficiency (up to 86%)
More information
  120 in stock
 
 

Nesteq E2CS X-Strike 1000W Ultra-Quiet PSU

E2CS X-Strike 1000W Ultra-Quiet PSU

Price: £155.65 (£179.00 inc. VAT)

  • Conforms to ATX Version 2.2 / EPS 2.91 / BTX 1.0a
  • High quality components for ultimate reliability and performance
  • Patented EECS - Enhanced Easy Connecting System
  • Patented "+12V Power - Plus" technology
  • DIY - cable length and configuration
  • High efficiency - up to 88%, conforms to 80 PLUS standard
  • Large ultra-quiet 135 mm fan with Hydraumatic bearing
  • Compatible with NVIDIA SLI and AMD/ATI CrossFireX
More information
  Coming late Jun
 

Zalman ZM770-XT 770W Z-MACHINE Extreme PSU

ZM770-XT 770W Z-MACHINE Extreme PSU

Price: £138.26 (£159.00 inc. VAT)

  • Ultra Quiet 140mm fan coupled to heatpipe cooling system
  • Solid capacitors and gold-plated terminals for maximised stability
  • Flexible modular cable arrangement with EZ-Grip connectors
  • 88% maximum efficiency - 80 PLUS Bronze Certified
  • Four independent +12VDC power rails
  • NVIDIA SLI and ATI CrossFire Ready
More information
  49 in stock
 
 

Zalman ZM850-HP Dual Heatpipe Cooled 850W Modular PSU

ZM850-HP Dual Heatpipe Cooled 850W Modular PSU

Price: £138.26 (£159.00 inc. VAT)

  • Heatpipe cooling system
  • Modular design
  • High efficiency (up to 86%)
More information
  79 in stock
 
 

Nesteq E2CS X-Strike 850W Ultra-Quiet PSU

E2CS X-Strike 850W Ultra-Quiet PSU

Price: £134.78 (£155.00 inc. VAT)

  • Conforms to ATX Version 2.2 / EPS 2.91 / BTX 1.0a
  • High quality components for ultimate reliability and performance
  • Patented EECS - Enhanced Easy Connecting System
  • Patented "+12V Power - Plus" technology
  • DIY - cable length and configuration
  • High efficiency - up to 88%, conforms to 80 PLUS standard
  • Large ultra-quiet 135 mm fan with Hydraumatic bearing
  • Compatible with NVIDIA SLI and AMD/ATI CrossFireX
More information
  5 in stock
 
 

Zalman ZM660-XT 660W Z-MACHINE Extreme PSU

ZM660-XT 660W Z-MACHINE Extreme PSU

Price: £121.73 (£139.99 inc. VAT)

  • Ultra Quiet 140mm fan coupled to heatpipe cooling system
  • Solid capacitors and gold-plated terminals for maximised stability
  • Flexible modular cable arrangement with EZ-Grip connectors
  • 88% maximum efficiency - 80 PLUS Bronze Certified
  • Four independent +12VDC power rails
  • NVIDIA SLI and ATI CrossFire Ready
More information
  28 in stock
 
 

Zalman ZM750-HP Dual Heatpipe Cooled 750W Modular PSU

ZM750-HP Dual Heatpipe Cooled 750W Modular PSU

Price: £117.38 (£134.99 inc. VAT)

  • Heatpipe cooling system
  • Modular design
  • High efficiency (up to 86%)
More information
  143 in stock
 
 

Nesteq E2CS X-Strike 750W Ultra-Quiet PSU

E2CS X-Strike 750W Ultra-Quiet PSU

Price: £116.52 (£134.00 inc. VAT)

  • Conforms to ATX Version 2.2 / EPS 2.91 / BTX 1.0a
  • High quality components for ultimate reliability and performance
  • Patented EECS - Enhanced Easy Connecting System
  • Patented "+12V Power - Plus" technology
  • DIY - cable length and configuration
  • High efficiency - up to 88%, conforms to 80 PLUS standard
  • Large ultra-quiet 135 mm fan with Hydraumatic bearing
  • Compatible with NVIDIA SLI and AMD/ATI CrossFireX
More information
  6 in stock
 
 

Nesteq E2CS X-Strike 600W Ultra-Quiet PSU

E2CS X-Strike 600W Ultra-Quiet PSU

Price: £89.57 (£103.01 inc. VAT)

  • Conforms to ATX Version 2.2 / EPS 2.91 / BTX 1.0a
  • High quality components for ultimate reliability and performance
  • Patented EECS - Enhanced Easy Connecting System
  • Patented "+12V Power - Plus" technology
  • DIY - cable length and configuration
  • High efficiency - up to 88%, conforms to 80 PLUS standard
  • Large ultra-quiet 135 mm fan with Hydraumatic bearing
  • Compatible with NVIDIA SLI and AMD/ATI CrossFireX
More information
  4 in stock
 
 

Scythe Kamariki 4 650W Ultra-Quiet Plug-in Power Supply

Kamariki 4 650W Ultra-Quiet Plug-in Power Supply

Price: £86.95 (£99.99 inc. VAT)

  • Exceptionally quiet
  • Modular design
  • Specially designed fan grill
  • Built in automatic fan controller based on PSU load
  • Cooled using a Scythe Kaze Jyu 100 mm fan
More information
  6 due in 6 days
 
 

Zalman ZM600-HP Heatpipe Cooled 600W Modular PSU

ZM600-HP Heatpipe Cooled 600W Modular PSU

Price: £86.95 (£99.99 inc. VAT)

  • Heatpipe cooling system
  • Modular design
  • High efficiency (up to 86%)
  • Blue LEDs
More information
  116 in stock
 
 

Scythe Kamariki 4 550W Ultra-Quiet Plug-in Power Supply

Kamariki 4 550W Ultra-Quiet Plug-in Power Supply

Price: £78.25 (£89.99 inc. VAT)

  • Exceptionally quiet
  • Modular design
  • Specially designed fan grill
  • Built in automatic fan controller based on PSU load
  • Cooled using a Scythe Kaze Jyu 100 mm fan
More information
  6 due in 6 days
 
 

Nesteq E2CS X-Strike 500W Ultra-Quiet PSU

E2CS X-Strike 500W Ultra-Quiet PSU

Price: £78.25 (£89.99 inc. VAT)

  • Conforms to ATX Version 2.2 / EPS 2.91 / BTX 1.0a
  • High quality components for ultimate reliability and performance
  • Patented EECS - Enhanced Easy Connecting System
  • Patented "+12V Power - Plus" technology
  • DIY - cable length and configuration
  • High efficiency - up to 88%, conforms to 80 PLUS standard
  • Large ultra-quiet 135 mm fan with Hydraumatic bearing
  • Compatible with NVIDIA SLI and AMD/ATI CrossFireX
More information
  8 in stock
 
 

Rasurbo GAP 750W Quiet Gaming PSU

GAP 750W Quiet Gaming PSU

Price: £78.25 (£89.99 inc. VAT)

  • ATX 12V version 2.2
  • Thermally controlled 120mm fan
  • Over voltage, capacity overload and short circuit protection
  • CE certified
  • 24 months warranty
More information
  2 in stock
 
 

Zalman ZM500-HP Heatpipe Cooled 500W Modular PSU

ZM500-HP Heatpipe Cooled 500W Modular PSU

Price: £78.25 (£89.99 inc. VAT)

  • Heatpipe cooling system
  • Modular design
  • High efficiency (up to 86%)
  • Blue LEDs
More information
  52 in stock
 
 

Nesteq E2CS X-Strike 400W Ultra-Quiet PSU

E2CS X-Strike 400W Ultra-Quiet PSU

Price: £68.69 (£78.99 inc. VAT)

  • Conforms to ATX Version 2.2 / EPS 2.91 / BTX 1.0a
  • High quality components for ultimate reliability and performance
  • Patented EECS - Enhanced Easy Connecting System
  • Patented "+12V Power - Plus" technology
  • DIY - cable length and configuration
  • High efficiency - up to 88%, conforms to 80 PLUS standard
  • Large ultra-quiet 135 mm fan with Hydraumatic bearing
  • Compatible with NVIDIA SLI and AMD/ATI CrossFireX
More information
  8 in stock
 
 

Scythe Kamariki 4 450W Ultra-Quiet Plug-in Power Supply

Kamariki 4 450W Ultra-Quiet Plug-in Power Supply

Price: £65.21 (£74.99 inc. VAT)

  • Exceptionally quiet
  • Modular design
  • Specially designed fan grill
  • Built in automatic fan controller based on PSU load
  • Cooled using a Scythe Kaze Jyu 100 mm fan
More information
  6 due in 6 days
 
 

Xilence XP600-12R Power 600W Quiet PSU

XP600-12R Power 600W Quiet PSU

Price: £65.21 (£74.99 inc. VAT)

  • ATX2.2 PSU
  • 2 x PCI-E, 20/24-pin connector
  • From 19.5 dB(A)
  • Great Value
More information
  9 in stock
 
 

Zalman ZM500-RS Resonant Switching 500W PSU

ZM500-RS Resonant Switching 500W PSU

Price: £65.21 (£74.99 inc. VAT)

  • Brand new Resonant Switching circuit design for high efficiency and low EMI
  • ATX12V v2.3 compliant
  • 87% maximum efficiency - 80 PLUS Certified
  • Two independent +12VDC power rails
  • Ultra-quiet 120mm fan with hydro bearings
  • NVIDIA SLI and ATI CrossFire Ready
  • 3 year warranty
More information
  153 in stock
 
 

Rasurbo GAP 650W Quiet Gaming PSU

GAP 650W Quiet Gaming PSU

Price: £60.86 (£69.99 inc. VAT)

  • ATX 12V version 2.2
  • Thermally controlled 120mm fan
  • Over voltage, capacity overload and short circuit protection
  • CE certified
  • 24 months warranty
More information
  5 in stock
 
 

Arctic Cooling Fusion 550RF 500W PSU

Fusion 550RF 500W PSU

Price: £56.51 (£64.99 inc. VAT)

  • Ultra quiet 80mm PWM fan with low noise impeller
  • 550W output power, ATX 2.2
  • 82-86% efficiency, 99% PFC
  • 80mm ARCTIC F8 Pro fan
  • Intelligent fan control (700 - 2,000 RPM)
  • Controller for case ventilation
  • Over-Power, Over-Voltage, Short Circuit protection, Over-Current Protection
  • SLI and Crossfire compatible
More information
  95 in stock
 
 

Xilence 550W Ultra-Quiet ECO Green Power PSU, 80PLUS

550W Ultra-Quiet ECO Green Power PSU, 80PLUS

Price: £52.17 (£60.00 inc. VAT)

  • Environmentally friendly - less than 1W standby power
  • High efficiency design, 80PLUS® certified
  • Reliable - Maximum stability at all time
  • Very quiet - Whisper silent 120mm fan
More information
  5 in stock, 10 due in 6 days
 
 

Rasurbo DLP 630W Quiet PSU

DLP 630W Quiet PSU

Price: £45.21 (£51.99 inc. VAT)

  • ATX 12V version 2.2
  • Thermally controlled 120mm fan, average 17dB
  • Over voltage, capacity overload and short circuit protection
  • CE certified
  • 24 months warranty
More information
  3 in stock
 
 

Rasurbo GAP 550W Quiet Gaming PSU

GAP 550W Quiet Gaming PSU

Price: £43.47 (£49.99 inc. VAT)

  • ATX 12V version 2.2
  • Thermally controlled 120mm fan
  • Over voltage, capacity overload and short circuit protection
  • CE certified
  • 24 months warranty
More information
  22 in stock
 
 

Xilence XP480-12R Power 480W Quiet PSU

XP480-12R Power 480W Quiet PSU

Price: £39.12 (£44.99 inc. VAT)

  • ATX2.0 PSU
  • PCI-E, 20/24-pin connector
  • From 20 dB(A)
  • Great Value
More information
  34 in stock, 70 due in 6 days
 
 

Rasurbo DLP 530W Quiet PSU

DLP 530W Quiet PSU

Price: £34.77 (£39.99 inc. VAT)

  • ATX 12V version 2.2
  • Thermally controlled 120mm fan, average 17dB
  • Over voltage, capacity overload and short circuit protection
  • CE certified
  • 24 months warranty
More information
  10 in stock
 
 

Xilence XP420-12R Power 420W Quiet PSU

XP420-12R Power 420W Quiet PSU

Price: £33.90 (£38.99 inc. VAT)

  • ATX2.0 PSU
  • PCI-E, 20/24-pin connector
  • From 20 dB(A)
  • Great Value
More information
  54 in stock
 
 

Rasurbo DLP 430W Quiet PSU

DLP 430W Quiet PSU

Price: £28.69 (£32.99 inc. VAT)

  • ATX 12V version 2.2
  • Thermally controlled 120mm fan, average 17dB
  • Over voltage, capacity overload and short circuit protection
  • CE certified
  • 24 months warranty
More information
  10 in stock
 
 

Xilence ATX PSU Tester with LCD Display

ATX PSU Tester with LCD Display

Price: £21.73 (£24.99 inc. VAT)

  • LCD display shows voltage values for the PSU
  • Connections for ATX 24/20-pin, 8-pin, 6-pin, 4-pin and floppy
  • ATX output connectors check, SATA, 4-pin Molex and PCI-Express
  • Voltage indicator accuracy: [+/-]0.1V, with display for +3.3V, +5V, +12V1, +12V2, -12V, +5VSB
  • Displays the ATX P.G. value, with alarm for high or low P.G. reading
  • Over and under voltage alarm
  • No voltage detected alarm
More information
  24 in stock
 
 

Fansis Anti-Vibration PSU Gasket

Anti-Vibration PSU Gasket

Price: £4.24 (£4.88 inc. VAT)

  • Super-soft silica gel gasket eliminates power supply fan vibration
  • Significantly reduces low frequency noise level
  • Easy to install and transferrable when you upgrade your PSU
  • Protects fan and power supply from physical shock
  • Includes 8 x screws/soft washers for alternative/additional mountings
More information
  389 in stock
 
 

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