PC Computer Power Supply Units (137 products)

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.

Read more about PC Computer Power Supply Units

Showing 25 - 48 of 137 results
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Corsair TX850M 80 PLUS Bronze Certified 850 Watts

  • • 8 Molex Connectors
  • • 8 SATA Connectors
  • • 4 PCI-E Connectors (6+2-Pin)
  • • 0 Floppy Connectors
  • • 4 + 4-Pin CPU Power Connector

£ 92.99  inc. vat

£ 77.49 ex. vat

More Info

EVGA SuperNOVA 1000 G1+ PSU

  • 80 Plus Gold Certified
  • Fully Modular to reduce clutter and improve airflow
  • NVIDIA SLI & AMD Crossfire Ready
  • 100% Japanese Capacitors

£ 109.98  inc. vat

£135.53save £25.55

£ 91.65 ex. vat

£112.94save £21.29
More Info

Corsair VS450 450 W Active PFC 80 PLUS Certified Power

  • 80 PLUS efficiency: Runs cooler and uses less power than non-certified...
  • 3-year warranty: Backed by CORSAIR's legendary technical support and...

£ 38.01  inc. vat

£42.33save £4.32

£ 31.67 ex. vat

£35.27save £3.60
More Info

Coolermaster MWE GOLD 750 Fully Modular Power Supply

  • 80 PLUS Gold Certified
  • Silent and Durable LDB Fan Bearing
  • Proven Thermal Resistance
  • Flat & Flexible Cables
  • High Efficiency and Stable Output

£ 80.99  inc. vat

£89.99save £9.00

£ 67.49 ex. vat

£74.99save £7.50
More Info

Corsair RMx Series White RM750x Power supply

  • Pristine White Casing
  • Tuned for Low Noise Operation
  • 80 Plus Gold Certified
  • Zero RPM Fan Mode
  • Fully Modular

£ 110.49  inc. vat

£117.65save £7.16

£ 92.07 ex. vat

£98.04save £5.97
More Info

Be Quiet Power Zone 750W Fully Modular 80+ Bronze Power Supply

  • Black Coloured PSU with a 135mm Silent Cooling Fan
  • Equipped with a Single 12v Rail Delivering upto 62 Amps
  • Equipped with 4 PCI-E Connectors for Graphics Cards

£ 96.11  inc. vat

£ 80.09 ex. vat

More Info

Corsair RM650i RMi Series 650 Watt Fully Modular Power Supply Unit (80 Plus Gold Certified)

  • 80 PLUS Gold certified
  • Fully Modular
  • Corsair Link monitoring and control
  • Dimensions 425 x 310 x 445 (mm)

£ 117.66  inc. vat

£ 98.05 ex. vat

More Info

Corsair RM1000x High Performance Power Supply

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

£ 146.66  inc. vat

£ 122.21 ex. vat

More Info

Evga 1000w G3 80+ Modular Gold

  • Unbeatable 10 Year Warranty
  • 80 PLUS Gold certified
  • Hydraulic Dynamic Bearing Fan
  • Fully Modular

£ 140.92  inc. vat

£151.98save £11.06

£ 117.43 ex. vat

£126.65save £9.22
More Info

Corsair SF750 750w 80 Plus Platinum High Performance SFX Power Supply

  • 80 Plus Platinum Certified
  • Japanese 105'c Capacitors
  • Zero RPM Fan Mode
  • 92mm PWM Low Noise Cooling Fan
  • Fully Modular Cables

£ 126.95  inc. vat

£ 105.79 ex. vat

More Info

Corsair SF450 Platinum Fully Modular SFX Power Supply

  • Compact SFX Form-Factor
  • Individually Sleeved, Fully Modular Cables
  • 80 Plus Platinum Certified
  • 100% Japanese Capacitors
  • Zero RPM Fan Mode

£ 85.01  inc. vat

£91.06save £6.05

£ 70.84 ex. vat

£75.88save £5.04
More Info

Corsair CXM 750W Semi Modular 80+ Bronze Power Supply

  • Black Coloured PSU with a 120mm Silent Cooling Fan
  • Equipped with a Single 12v Rail Delivering upto 62 Amps
  • Equipped with 2 PCI-E Connectors for Graphics Cards

£ 83.49  inc. vat

£88.18save £4.69

£ 69.57 ex. vat

£73.48save £3.91
More Info

Corsair HX750i 750 Watt Power Supply

  • 80 PLUS Platinum efficiency, delivering 92% energy efficiency at real...
  • ZeroRPM mode for fan-less operation at low loads and outstanding noise...

£ 150.99  inc. vat

£159.93save £8.94

£ 125.82 ex. vat

£133.27save £7.45
More Info

Fractal Design Intergra M 450watt Semi ModularPower Supply

  • 80 PLUS® Bronze certified efficiency
  • Modular cables
  • Extremely short 140mm case allows for easy installation in compact...
  • Quiet, temperature-controlled 120mm fan

£ 51.90  inc. vat

£ 43.25 ex. vat

More Info

Corsair CX650M Semi-Modular ATX Power Supply

  • 80 PLUS Bronze certified
  • Modular cable management Semi-Modular
  • 120mm thermally controlled fan
  • Five year warranty

£ 84.18  inc. vat

£ 70.15 ex. vat

More Info

Corsair 650W CX650 Bronze ATX Power Supply/PSU

  • 650W Corsair CX Series CX650
  • 80PLUS Bronze
  • Fully Wired
  • Single Rail
  • 54A +12V, 120mm Fan

£ 63.04  inc. vat

£67.83save £4.79

£ 52.53 ex. vat

£56.52save £3.99
More Info

Corsair HX1000 1000W 80+ Platinum Fully Modular Power Supply

  • 80 Plus Platinum
  • Fully Modular
  • Zero RPM Mode
  • 10 Year Warranty

£ 169.98  inc. vat

£ 141.65 ex. vat

More Info

Antec 650W EA650G PRO EarthWatts Gold Pro PSU

  • 650 W
  • 80 Plus Gold Certified
  • Hybrid Modular Cable Management
  • Whisper-quiet, high-quality fan
  • 7 Year Warranty

£ 79.98  inc. vat

£ 66.65 ex. vat

More Info

Straight Power 11 450w - 80plus Gold Power Supply

  • Virtually inaudible SilentWings 3 135mm fan
  • 80PLUS® Gold efficiency
  • Powerful multi-GPU support
  • Japanese capacitors ensure reliability
  • 5-year manufacturer’s warranty

£ 78.48  inc. vat

£ 65.40 ex. vat

More Info

EVGA Supernova 750w PSU

  • 80 PLUS Gold certified
  • Fully Modular to reduce clutter and improve airflow.
  • 100% Japanese Capacitors

£ 95.99  inc. vat

£100.88save £4.89

£ 79.99 ex. vat

£84.06save £4.07
More Info

Thermaltake Smart RGB 500W PSU

  • 10 LED Light Bulbs
  • 15 Lighting Modes
  • Ultra-Quiet 120mm Fan
  • 80 Plus Certified
  • High Quality Components

£ 37.97  inc. vat

£ 31.64 ex. vat

More Info

Thermaltake Smart RGB 700W PSU

  • 10 LED Light Bulbs
  • 15 Lighting Modes
  • Ultra-Quiet 120mm Fan
  • 80 Plus Certified
  • High Quality Components

£ 61.49  inc. vat

£ 51.24 ex. vat

More Info

Corsair RM750x 80+ Gold Fully Modular Power Supply

  • 80 Plus Gold Certified
  • Low Noise Operation
  • Zero RPM Fan Mode
  • 100% Japanese 105'c Capacitors
  • Fully Modular Cables

£ 103.49  inc. vat

£113.00save £9.51

£ 86.24 ex. vat

£94.16save £7.92
More Info

Be Quiet! 500W System Power 9 PSU

  • Rock-solid stability with two strong 12V-rails
  • DC-to-DC technology for tight voltage regulation
  • Multi-GPU support with two PCIe connectors
  • Stand-by drain of less than 0.15 watts

£ 47.98  inc. vat

£ 39.98 ex. vat

More Info

Corsair TX850M 80 PLUS Bronze Certified 850 Watts

  • • 8 Molex Connectors
  • • 8 SATA Connectors
  • • 4 PCI-E Connectors (6+2-Pin)
  • • 0 Floppy Connectors
  • • 4 + 4-Pin CPU Power Connector

QuickFind: 782059

Mfr part code: CP-9020130-UK

£ 92.99  inc. vat

£ 77.49 ex. vat

More Info

EVGA SuperNOVA 1000 G1+ PSU

  • 80 Plus Gold Certified
  • Fully Modular to reduce clutter and improve airflow
  • NVIDIA SLI & AMD Crossfire Ready
  • 100% Japanese Capacitors

QuickFind: 828430

Mfr part code: 120-GP-1000-X3

£ 109.98  inc. vat

£135.53save £25.55

£ 91.65 ex. vat

£112.94save £21.29
More Info

Corsair VS450 450 W Active PFC 80 PLUS Certified Power

  • 80 PLUS efficiency: Runs cooler and uses less power than non-certified...
  • 3-year warranty: Backed by CORSAIR's legendary technical support and...

QuickFind: 835000

Mfr part code: CP-9020170-UK

£ 38.01  inc. vat

£42.33save £4.32

£ 31.67 ex. vat

£35.27save £3.60
More Info

Coolermaster MWE GOLD 750 Fully Modular Power Supply

  • 80 PLUS Gold Certified
  • Silent and Durable LDB Fan Bearing
  • Proven Thermal Resistance
  • Flat & Flexible Cables
  • High Efficiency and Stable Output

QuickFind: 863526

Mfr part code: MPY-7501-AFAAG-UK

£ 80.99  inc. vat

£89.99save £9.00

£ 67.49 ex. vat

£74.99save £7.50
More Info

Corsair RMx Series White RM750x Power supply

  • Pristine White Casing
  • Tuned for Low Noise Operation
  • 80 Plus Gold Certified
  • Zero RPM Fan Mode
  • Fully Modular

QuickFind: 864766

Mfr part code: CP-9020187-UK

£ 110.49  inc. vat

£117.65save £7.16

£ 92.07 ex. vat

£98.04save £5.97
More Info

Be Quiet Power Zone 750W Fully Modular 80+ Bronze Power Supply

  • Black Coloured PSU with a 135mm Silent Cooling Fan
  • Equipped with a Single 12v Rail Delivering upto 62 Amps
  • Equipped with 4 PCI-E Connectors for Graphics Cards

QuickFind: 546365

Mfr part code: BN211

£ 96.11  inc. vat

£ 80.09 ex. vat

More Info

Corsair RM650i RMi Series 650 Watt Fully Modular Power Supply Unit (80 Plus Gold Certified)

  • 80 PLUS Gold certified
  • Fully Modular
  • Corsair Link monitoring and control
  • Dimensions 425 x 310 x 445 (mm)

QuickFind: 715152

Mfr part code: CP-9020081-UK

£ 117.66  inc. vat

£ 98.05 ex. vat

More Info

Corsair RM1000x High Performance Power Supply

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

QuickFind: 724685

Mfr part code: CP-9020094-UK

£ 146.66  inc. vat

£ 122.21 ex. vat

More Info

Evga 1000w G3 80+ Modular Gold

  • Unbeatable 10 Year Warranty
  • 80 PLUS Gold certified
  • Hydraulic Dynamic Bearing Fan
  • Fully Modular

QuickFind: 767602

Mfr part code: 220-G3-1000-X3

£ 140.92  inc. vat

£151.98save £11.06

£ 117.43 ex. vat

£126.65save £9.22
More Info

Corsair SF750 750w 80 Plus Platinum High Performance SFX Power Supply

  • 80 Plus Platinum Certified
  • Japanese 105'c Capacitors
  • Zero RPM Fan Mode
  • 92mm PWM Low Noise Cooling Fan
  • Fully Modular Cables

QuickFind: 874512

Mfr part code: CP-9020186-UK

£ 126.95  inc. vat

£ 105.79 ex. vat

More Info

Corsair SF450 Platinum Fully Modular SFX Power Supply

  • Compact SFX Form-Factor
  • Individually Sleeved, Fully Modular Cables
  • 80 Plus Platinum Certified
  • 100% Japanese Capacitors
  • Zero RPM Fan Mode

QuickFind: 882202

Mfr part code: CP-9020181-UK

£ 85.01  inc. vat

£91.06save £6.05

£ 70.84 ex. vat

£75.88save £5.04
More Info

Corsair CXM 750W Semi Modular 80+ Bronze Power Supply

  • Black Coloured PSU with a 120mm Silent Cooling Fan
  • Equipped with a Single 12v Rail Delivering upto 62 Amps
  • Equipped with 2 PCI-E Connectors for Graphics Cards

QuickFind: 429987

Mfr part code: CP-9020061-UK

£ 83.49  inc. vat

£88.18save £4.69

£ 69.57 ex. vat

£73.48save £3.91
More Info

Corsair HX750i 750 Watt Power Supply

  • 80 PLUS Platinum efficiency, delivering 92% energy efficiency at real...
  • ZeroRPM mode for fan-less operation at low loads and outstanding noise...

QuickFind: 659514

Mfr part code: CP-9020072-UK

£ 150.99  inc. vat

£159.93save £8.94

£ 125.82 ex. vat

£133.27save £7.45
More Info

Fractal Design Intergra M 450watt Semi ModularPower Supply

  • 80 PLUS® Bronze certified efficiency
  • Modular cables
  • Extremely short 140mm case allows for easy installation in compact...
  • Quiet, temperature-controlled 120mm fan

QuickFind: 667157

Mfr part code: FD-PSU-IN3B-450W

£ 51.90  inc. vat

£ 43.25 ex. vat

More Info

Corsair CX650M Semi-Modular ATX Power Supply

  • 80 PLUS Bronze certified
  • Modular cable management Semi-Modular
  • 120mm thermally controlled fan
  • Five year warranty

QuickFind: 743021

Mfr part code: CP-9020103-UK

£ 84.18  inc. vat

£ 70.15 ex. vat

More Info

Corsair 650W CX650 Bronze ATX Power Supply/PSU

  • 650W Corsair CX Series CX650
  • 80PLUS Bronze
  • Fully Wired
  • Single Rail
  • 54A +12V, 120mm Fan

QuickFind: 782054

Mfr part code: CP-9020122-UK

£ 63.04  inc. vat

£67.83save £4.79

£ 52.53 ex. vat

£56.52save £3.99
More Info

Corsair HX1000 1000W 80+ Platinum Fully Modular Power Supply

  • 80 Plus Platinum
  • Fully Modular
  • Zero RPM Mode
  • 10 Year Warranty

QuickFind: 788621

Mfr part code: CP-9020139-UK

£ 169.98  inc. vat

£ 141.65 ex. vat

More Info

Antec 650W EA650G PRO EarthWatts Gold Pro PSU

  • 650 W
  • 80 Plus Gold Certified
  • Hybrid Modular Cable Management
  • Whisper-quiet, high-quality fan
  • 7 Year Warranty

QuickFind: 810564

Mfr part code: 0-761345-11619-0

£ 79.98  inc. vat

£ 66.65 ex. vat

More Info

Straight Power 11 450w - 80plus Gold Power Supply

  • Virtually inaudible SilentWings 3 135mm fan
  • 80PLUS® Gold efficiency
  • Powerful multi-GPU support
  • Japanese capacitors ensure reliability
  • 5-year manufacturer’s warranty

QuickFind: 826244

Mfr part code: BN280

£ 78.48  inc. vat

£ 65.40 ex. vat

More Info

EVGA Supernova 750w PSU

  • 80 PLUS Gold certified
  • Fully Modular to reduce clutter and improve airflow.
  • 100% Japanese Capacitors

QuickFind: 830661

Mfr part code: 120-GP-0750-X3

£ 95.99  inc. vat

£100.88save £4.89

£ 79.99 ex. vat

£84.06save £4.07
More Info

Thermaltake Smart RGB 500W PSU

  • 10 LED Light Bulbs
  • 15 Lighting Modes
  • Ultra-Quiet 120mm Fan
  • 80 Plus Certified
  • High Quality Components

QuickFind: 855874

Mfr part code: PS-SPR-0500NHSAWK-1

£ 37.97  inc. vat

£ 31.64 ex. vat

More Info

Thermaltake Smart RGB 700W PSU

  • 10 LED Light Bulbs
  • 15 Lighting Modes
  • Ultra-Quiet 120mm Fan
  • 80 Plus Certified
  • High Quality Components

QuickFind: 855877

Mfr part code: PS-SPR-0700NHSAWK-1

£ 61.49  inc. vat

£ 51.24 ex. vat

More Info

Corsair RM750x 80+ Gold Fully Modular Power Supply

  • 80 Plus Gold Certified
  • Low Noise Operation
  • Zero RPM Fan Mode
  • 100% Japanese 105'c Capacitors
  • Fully Modular Cables

QuickFind: 858591

Mfr part code: CP-9020179-UK

£ 103.49  inc. vat

£113.00save £9.51

£ 86.24 ex. vat

£94.16save £7.92
More Info

Be Quiet! 500W System Power 9 PSU

  • Rock-solid stability with two strong 12V-rails
  • DC-to-DC technology for tight voltage regulation
  • Multi-GPU support with two PCIe connectors
  • Stand-by drain of less than 0.15 watts

QuickFind: 859747

Mfr part code: BN246

£ 47.98  inc. vat

£ 39.98 ex. vat

More Info
Showing 25 - 48 of 137 results
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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.

Learn more

The best PSUs for gaming