PC Computer Power Supply Units

PC Power Supply Units

When we think of ways to improve our computers performance many of us will overlook the value of the PC power supply unit (PSU). But the power supply unit is a vital piece of equipment that should not be under estimated.

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Builder 500W Fully Wired Efficient Power Supply

  • Black Coloured PSU with a 120mm Silent Cooling Fan
  • Fully Wired
  • Equipped with a Single 12v Rail Delivering upto 20 Amps
  • 1 Year Warranty

£12.93 inc. vat

£14.28save £1.35

£10.77 ex. vat

£11.90save £1.13
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QuickFind: 621475   |   Mfr part code: PSU500BUILDERBLACK

EVGA SuperNOVA 750 G2L Power Supply

  • 80 PLUS Gold certified
  • Fully Modular to reduce clutter and improve airflow
  • NVIDIA SLI & AMD Crossfire Ready
  • Built in White LEDs

£100.98 inc. vat

£112.49save £11.51

£84.15 ex. vat

£93.74save £9.59
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QuickFind: 760858   |   Mfr part code: 220-GL-0750-X3

EVGA SuperNOVA 850 G2L Power Supply

  • 80 PLUS Gold certified
  • Fully Modular to reduce clutter and improve airflow
  • NVIDIA SLI & AMD Crossfire Ready
  • Built in White LEDs

£100.37 inc. vat

£136.98save £36.61

£83.64 ex. vat

£114.15save £30.51
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QuickFind: 760860   |   Mfr part code: 220-GL-0850-X3

Corsair CX Series CX450M 450W 80 Plus Bronze Certified Modular ATX PSU

  • 80 Plus Bronze
  • Semi Modular PSU
  • Sleeved cables Low-Profile All Black
  • Supports ATX12V 2.3/2.2/2.01 and EPS12V 2.91 standards

£48.39 inc. vat

£51.82save £3.43

£40.32 ex. vat

£43.18save £2.86
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QuickFind: 745621   |   Mfr part code: CP-9020101-UK

EVGA 650 GQ Modular Gold Rated 80+ Power Supply

  • 80 PLUS Gold certified
  • NVIDIA SLI & AMD Crossfire Ready
  • Modular Design to reduce clutter and improve airflow

£72.83 inc. vat

£60.69 ex. vat

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QuickFind: 730191   |   Mfr part code: 210-GQ-0650-V3

Aerocool Integrator 700W 80+ Certified PSU 12cm Black Fan Active PFC TW Caps UK Cable

  • 12cm Silent Fan
  • 700w 80+ Efficiency
  • Dimensions 150mm x 85mm x 140mm (W x H x D)

£37.61 inc. vat

£31.34 ex. vat

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QuickFind: 713439   |   Mfr part code: ACP-I700HG

Aerocool Integrator 500W 80+ Certified PSU 12cm Black Fan Active PFC TW Caps UK Cable

  • High Efficiency
  • 500w 80+ Efficiency
  • 12cm Fan
  • Dimensions 150mm x 85mm x 140mm (W x H x D)

£29.32 inc. vat

£24.43 ex. vat

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QuickFind: 713434   |   Mfr part code: ACP-I500HG

Corsair RM650x High Performance Power Supply

  • 80 PLUS Gold certified
  • Zero RPM Fan Mode
  • MTBF 100,000 hours
  • Seven year warranty

£84.99 inc. vat

£93.06save £8.07

£70.82 ex. vat

£77.55save £6.73
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QuickFind: 724681   |   Mfr part code: CP-9020091-UK

Corsair VS Series 450 Watt Power Supply

  • A dedicated single +12V rail offers maximum
  • Conforms to ATX12V v2.31 standard,
  • AC input from 200~240VAV

£38.82 inc. vat

£32.35 ex. vat

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QuickFind: 726366   |   Mfr part code: CP-9020096-UK

Evga 430w 80+ White Series Psu

  • 80 Plus Efficiency
  • Continuous Power
  • 12V Single Rail

£33.99 inc. vat

£28.32 ex. vat

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QuickFind: 766944   |   Mfr part code: 100-W1-0430-K3

Evga 500w 80+ White Series Psu

  • 80PLUS
  • Fully Wired
  • Single Rail,
  • Intelligent Auto fan
  • ATX PSU

£37.90 inc. vat

£41.98save £4.08

£31.58 ex. vat

£34.98save £3.40
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QuickFind: 767324   |   Mfr part code: 100-W1-0500-K3

Ace Black 120mm Fan 750W Fully Wired Efficient Power Supply

  • Black Coloured PSU with a 120mm Silent Cooling Fan
  • Equipped with a Single 12v Rail Delivering upto 37 Amps
  • Equipped with 1 PCI-E Connectors for Graphics Cards

£19.98 inc. vat

£16.65 ex. vat

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QuickFind: 566866   |   Mfr part code: PSUACE750BR

Corsair HX850i 850 Watt Power Supply

  • 80 PLUS Platinum efficiency, delivering 92% energy efficiency at real...
  • 140mm thermally controlled fluid dynamic bearing fan spins up as...

£151.20 inc. vat

£157.83save £6.63

£126.00 ex. vat

£131.52save £5.52
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QuickFind: 659513   |   Mfr part code: CP-9020073-UK

EVGA SuperNOVA 850 P2 Power Supply

  • Unbeatable 10 Year Warranty and unparalleled EVGA Customer Support...
  • Double Ball Bearing fan for exceptional reliability and quiet...
  • Total 850W @ +50C

£133.96 inc. vat

£111.63 ex. vat

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QuickFind: 718816   |   Mfr part code: 220-P2-0850-X3

CIT Gold 500W Fully Wired Efficient Power Supply

  • Gold Coloured PSU with a 120mm Silent Cooling Fan
  • Equipped with a Dual 12v Rail Delivering upto 27 Amps
  • Equipped with 1 PCI-E Connectors for Graphics Cards

£20.19 inc. vat

£16.82 ex. vat

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QuickFind: 255692   |   Mfr part code: PSUCIT500UGOLD

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Why You Need A High Quality PSU

The role of a PC power supply unit is to convert the AC electric power that comes from the mains to the DC power that the computer requires. But it can do much more than that. A good quality power supply can make your system more efficient, stable and reliable.

Choosing Your Power Supply

Firstly, ensure you select a PSU from a reputable manufacturer. Here at Ebuyer we have PSUs from Antec, Corsair and Coolermaster amongst other leading names in the tech industry.

Output

When choosing a PSU the output is very important. This output is listed as watts and should be greater than the combined wattage of all the components in your system plus 40 to 60%. Very simplistically speaking the more demands you place on your system the higher the wattage of the PC power supply unit should be. For example, a high end gamer will require a far higher wattage than a home user who surfs the net and does some word processing.

Energy Efficiency

But it isn't all about the wattage. Efficiency is important so look for PSUs that have the 80 Plus certification. This indicates that the PSU will waste less energy than other units making it cheaper to run and much more reliable.

PSU Cabling

There are different types of PSU and cabling. Fully modular power supply units enable the user to remove surplus cables from the case, whilst a semi modular PSU has a mix of detachable and hard wired, or permanent, cables.

The third option is a fully wired PSU which, as the name suggests, does not allow any cables to be disconnected. Of the three the fully modular unit is the most versatile.