PC Computer Power Supply Units (27)

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

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2 pages
Free Delivery* Corsair CX550M Semi-Modular ATX Power Supply

Corsair CX550M Semi-Modular ATX Power Supply

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

£ 54.99  inc. vat

£66.57save £11.58

£ 45.82 ex. vat

£55.47save £9.65
More Info
Free Delivery* Cooler Master MasterWatt 550 Semi Modular PSU

Cooler Master MasterWatt 550 Semi Modular PSU

  • 80 PLUS Bronze Certified
  • Durable LDB Bearing
  • Semi-Fanless up to 15% load
  • Dual Forward and DC-to-DC Circuit Design
  • More Conductive PCI-e Cables

£ 53.99  inc. vat

£57.89save £3.90

£ 44.99 ex. vat

£48.24save £3.25
More Info
Free Delivery* Thermaltake Smart SE 730W Semi Modular 80+ Bronze Power Supply

Thermaltake Smart SE 730W Semi Modular 80+ Bronze Power Supply

  • Black Coloured PSU with a 140mm Silent Cooling Fan
  • Equipped with a Single 12v Rail Delivering upto 57 Amps
  • Equipped with 4 PCI-E Connectors for Graphics Cards

£ 57.98  inc. vat

£64.68save £6.70

£ 48.31 ex. vat

£53.90save £5.59
More Info
Free Delivery* EVGA 550w B3 PSU 80+ Bronze Fully Modular Power Supply

EVGA 550w B3 PSU 80+ Bronze Fully Modular Power Supply

  • 3x Molex Connectors
  • 6x SATA Connectors
  • 2x PCIe Connectors (6+2-Pin)
  • 4 + 4-Pin CPU Power Connector
  • ATX Form Factor

£ 63.98  inc. vat

£ 53.31 ex. vat

More Info
Free Delivery* Be Quiet! Pure Power 11 500w Power Supply

Be Quiet! Pure Power 11 500w Power Supply

  • 80 Plus Gold
  • Exceptionally Quiet Operation
  • Silence-Optimized 120mm Be Quiet! Fan
  • Attractively Sleeved Cables
  • 5 Year Warranty

£ 60.74  inc. vat

£ 50.61 ex. vat

More Info
Free Delivery* Be Quiet! Pure Power 11 CM 500w Power Supply

Be Quiet! Pure Power 11 CM 500w Power Supply

  • 80 Plus Gold
  • Exceptionally Quiet Operation
  • Silence-Optimized 120mm Be Quiet! Fan
  • Modular cable management
  • 5 Year Warranty

£ 66.99  inc. vat

£ 55.82 ex. vat

More Info
Free Delivery* Be Quiet! 600W System Power 9 PSU

Be Quiet! 600W System Power 9 PSU

  • Rock-solid stability with two strong 12V-rails
  • DC-to-DC technology for tight voltage regulation
  • Multi-GPU support with four PCIe connectors
  • 80PLUS® Bronze efficiency (up to 89%

£ 51.54  inc. vat

£58.98save £7.44

£ 42.95 ex. vat

£49.15save £6.20
More Info
Free Delivery* EVGA 100-BR-0700-K3 700 BR, 80+ Bronze 700W, Power Supply

EVGA 100-BR-0700-K3 700 BR, 80+ Bronze 700W, Power Supply

  • Quiet and Intelligent Auto Fan for near-silent operation
  • 80 PLUS Bronze certified
  • 85% efficiency or higher under typical loads
  • 3 Year Warranty

£ 52.49  inc. vat

£ 43.74 ex. vat

More Info
Free Delivery* Corsair 650W CX650 Bronze ATX Power Supply/PSU

Corsair 650W CX650 Bronze ATX Power Supply/PSU

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

£ 60.10  inc. vat

£64.78save £4.68

£ 50.08 ex. vat

£53.98save £3.90
More Info
Free Delivery* EVGA 100-B1-0500-KR - 500W 80 Plus Bronze Power Supply

EVGA 100-B1-0500-KR - 500W 80 Plus Bronze Power Supply

  • Power Device / Power Provided - 500Watt
  • 80 PLUS certification - Bronze
  • Form factor - Internal
  • Modularity - Non Modular
  • Power Device Cooling System - 120 mm fan

£ 51.46  inc. vat

£55.05save £3.59

£ 42.88 ex. vat

£45.87save £2.99
More Info
Free Delivery* Corsair TX550M 550W 80 Plus Gold Power Supply

Corsair TX550M 550W 80 Plus Gold Power Supply

  • 550W Corsair TX-M Series TX550M PSU
  • 80PLUS Gold
  • Hybrid Modular, Single Rail
  • 43A + 12V, 120mm Fan
  • ATX PSU

£ 69.96  inc. vat

£78.45save £8.49

£ 58.30 ex. vat

£65.37save £7.07
More Info
Free Delivery* EVGA 80+ Bronze 600W ATX Power Supply

EVGA 80+ Bronze 600W ATX Power Supply

  • Quiet and Intelligent Auto Fan for near-silent operation
  • 80 PLUS Bronze certified
  • 85% efficiency or higher under typical loads
  • 3 Year Warranty

£ 53.97  inc. vat

£ 44.97 ex. vat

More Info
Free Delivery* EVGA 700B 80+ Bronze Power Supply

EVGA 700B 80+ Bronze Power Supply

  • NVIDIA SLI & AMD Crossfire Ready
  • 80 PLUS Bronze certified
  • 120mm Sleeve Bearing

£ 67.49  inc. vat

£ 56.24 ex. vat

More Info
Free Delivery* Smart DPS G Digital 600W EU 80Plus Bronze Semi Modular

Smart DPS G Digital 600W EU 80Plus Bronze Semi Modular

  • Smart Power Management
  • 80 PLUS Bronze-certified and Haswell-ready
  • CPU and VGA Monitoring
  • Flat Modular Cables

£ 67.98  inc. vat

£ 56.65 ex. vat

More Info
Free Delivery*

Antec Neo ECO Classic NE650C Power Supply

  • 650 W of Continuous Power from Antec
  • Extremely efficient, to reduce your electricity bill
  • Whisper-quiet high-quality double ball bearing fan with long...

£ 60.00  inc. vat

£ 50.00 ex. vat

More Info
Free Delivery*

NE650M GB Semi Modular 80BRONZE PSU

£ 63.00  inc. vat

£ 52.50 ex. vat

More Info
Free Delivery* Thermaltake Toughpower GX1 500W PSU

Thermaltake Toughpower GX1 500W PSU

  • 80 PLUS Gold Certified
  • Ultra Quiet 120mm Fluid Dynamic Bearing Fan
  • Low Ripple Noise
  • Sophisticated Designed Exterior Shroud
  • High Quality Japanese Capacitors

£ 58.98  inc. vat

£ 49.15 ex. vat

More Info
Free Delivery* Be Quiet! Pure Power 11 600w Power Supply

Be Quiet! Pure Power 11 600w Power Supply

  • 80 Plus Gold
  • Exceptionally Quiet Operation
  • Silence-Optimized 120mm Be Quiet! Fan
  • Attractively Sleeved Cables
  • 5 Year Warranty

£ 59.99  inc. vat

£76.74save £16.75

£ 49.99 ex. vat

£63.95save £13.96
More Info
Free Delivery* Be Quiet TFX Power 2 300W Fully Wired 80+ Gold Power Supply

Be Quiet TFX Power 2 300W Fully Wired 80+ Gold Power Supply

  • Black Coloured PSU with a 80mm Silent Cooling Fan
  • Equipped with a Dual 12v Rail Delivering upto Amps
  • Equipped with 8 PCI-E Connectors for Graphics Cards

£ 54.12  inc. vat

£ 45.10 ex. vat

More Info
Free Delivery*

NE550C GB 80+Bronze Certified PSU

£ 54.50  inc. vat

£ 45.41 ex. vat

More Info
Free Delivery* Thermaltake Toughpower GX1 600W PSU

Thermaltake Toughpower GX1 600W PSU

  • 80 PLUS Gold Certified
  • Ultra Quiet 120mm Fluid Dynamic Bearing Fan
  • Low Ripple Noise
  • Sophisticated Designed Exterior Shroud
  • High Quality Japanese Capacitors

£ 64.98  inc. vat

£ 54.15 ex. vat

More Info
Free Delivery* EVGA 600B Bronze Power Supply

EVGA 600B Bronze Power Supply

  • 80 PLUS Gold certified
  • High Amperage Single-Rail design
  • Heavy-duty protections, including OVP

£ 65.99  inc. vat

£ 54.99 ex. vat

More Info
Free Delivery* Corsair CX series CX550 550W 80 PLUS BRONZE

Corsair CX series CX550 550W 80 PLUS BRONZE

  • 80 PLUS Bronze certified
  • Thermally Controlled Fan
  • Non Modular

£ 55.49  inc. vat

£ 46.24 ex. vat

More Info
Free Delivery*

NE550M GB Semi Modular 80BRONZE PSU

£ 59.00  inc. vat

£ 49.16 ex. vat

More Info

Corsair CX550M Semi-Modular ATX Power Supply

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

QuickFind: 743020

Mfr part code: CP-9020102-UK

Free Delivery*

£ 54.99  inc. vat

£66.57save £11.58

£ 45.82 ex. vat

£55.47save £9.65
More Info

Cooler Master MasterWatt 550 Semi Modular PSU

  • 80 PLUS Bronze Certified
  • Durable LDB Bearing
  • Semi-Fanless up to 15% load
  • Dual Forward and DC-to-DC Circuit Design
  • More Conductive PCI-e Cables

QuickFind: 826440

Mfr part code: MPX-5501-AMAAB-UK

Free Delivery*

£ 53.99  inc. vat

£57.89save £3.90

£ 44.99 ex. vat

£48.24save £3.25
More Info

Thermaltake Smart SE 730W Semi Modular 80+ Bronze Power Supply

  • Black Coloured PSU with a 140mm Silent Cooling Fan
  • Equipped with a Single 12v Rail Delivering upto 57 Amps
  • Equipped with 4 PCI-E Connectors for Graphics Cards

QuickFind: 631115

Mfr part code: SPS-730MPCBEU

Free Delivery*

£ 57.98  inc. vat

£64.68save £6.70

£ 48.31 ex. vat

£53.90save £5.59
More Info

EVGA 550w B3 PSU 80+ Bronze Fully Modular Power Supply

  • 3x Molex Connectors
  • 6x SATA Connectors
  • 2x PCIe Connectors (6+2-Pin)
  • 4 + 4-Pin CPU Power Connector
  • ATX Form Factor

QuickFind: 791241

Mfr part code: 220-B3-0550-V3

Free Delivery*

£ 63.98  inc. vat

£ 53.31 ex. vat

More Info

Be Quiet! Pure Power 11 500w Power Supply

  • 80 Plus Gold
  • Exceptionally Quiet Operation
  • Silence-Optimized 120mm Be Quiet! Fan
  • Attractively Sleeved Cables
  • 5 Year Warranty

QuickFind: 865167

Mfr part code: BN293

Free Delivery*

£ 60.74  inc. vat

£ 50.61 ex. vat

More Info

Be Quiet! Pure Power 11 CM 500w Power Supply

  • 80 Plus Gold
  • Exceptionally Quiet Operation
  • Silence-Optimized 120mm Be Quiet! Fan
  • Modular cable management
  • 5 Year Warranty

QuickFind: 865171

Mfr part code: BN297

Free Delivery*

£ 66.99  inc. vat

£ 55.82 ex. vat

More Info

Be Quiet! 600W System Power 9 PSU

  • Rock-solid stability with two strong 12V-rails
  • DC-to-DC technology for tight voltage regulation
  • Multi-GPU support with four PCIe connectors
  • 80PLUS® Bronze efficiency (up to 89%

QuickFind: 859749

Mfr part code: BN247

Free Delivery*

£ 51.54  inc. vat

£58.98save £7.44

£ 42.95 ex. vat

£49.15save £6.20
More Info

EVGA 100-BR-0700-K3 700 BR, 80+ Bronze 700W, Power Supply

  • Quiet and Intelligent Auto Fan for near-silent operation
  • 80 PLUS Bronze certified
  • 85% efficiency or higher under typical loads
  • 3 Year Warranty

QuickFind: 856195

Mfr part code: 100-BR-0700-K3

Free Delivery*

£ 52.49  inc. vat

£ 43.74 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

Free Delivery*

£ 60.10  inc. vat

£64.78save £4.68

£ 50.08 ex. vat

£53.98save £3.90
More Info

EVGA 100-B1-0500-KR - 500W 80 Plus Bronze Power Supply

  • Power Device / Power Provided - 500Watt
  • 80 PLUS certification - Bronze
  • Form factor - Internal
  • Modularity - Non Modular
  • Power Device Cooling System - 120 mm fan

QuickFind: 759086

Mfr part code: 100-B1-0500-K3

Free Delivery*

£ 51.46  inc. vat

£55.05save £3.59

£ 42.88 ex. vat

£45.87save £2.99
More Info

Corsair TX550M 550W 80 Plus Gold Power Supply

  • 550W Corsair TX-M Series TX550M PSU
  • 80PLUS Gold
  • Hybrid Modular, Single Rail
  • 43A + 12V, 120mm Fan
  • ATX PSU

QuickFind: 782056

Mfr part code: CP-9020133-UK

Free Delivery*

£ 69.96  inc. vat

£78.45save £8.49

£ 58.30 ex. vat

£65.37save £7.07
More Info

EVGA 80+ Bronze 600W ATX Power Supply

  • Quiet and Intelligent Auto Fan for near-silent operation
  • 80 PLUS Bronze certified
  • 85% efficiency or higher under typical loads
  • 3 Year Warranty

QuickFind: 870803

Mfr part code: 100-BR-0600-K3

Free Delivery*

£ 53.97  inc. vat

£ 44.97 ex. vat

More Info

EVGA 700B 80+ Bronze Power Supply

  • NVIDIA SLI & AMD Crossfire Ready
  • 80 PLUS Bronze certified
  • 120mm Sleeve Bearing

QuickFind: 743468

Mfr part code: 100-B1-0700-K3

Free Delivery*

£ 67.49  inc. vat

£ 56.24 ex. vat

More Info

Smart DPS G Digital 600W EU 80Plus Bronze Semi Modular

  • Smart Power Management
  • 80 PLUS Bronze-certified and Haswell-ready
  • CPU and VGA Monitoring
  • Flat Modular Cables

QuickFind: 774815

Mfr part code: PS-SPG-0600DPCBEU-B

Free Delivery*

£ 67.98  inc. vat

£ 56.65 ex. vat

More Info

Antec Neo ECO Classic NE650C Power Supply

  • 650 W of Continuous Power from Antec
  • Extremely efficient, to reduce your electricity bill
  • Whisper-quiet high-quality double ball bearing fan with long...

QuickFind: 789915

Mfr part code: 0-761345-05653-3

Free Delivery*

£ 60.00  inc. vat

£ 50.00 ex. vat

More Info

NE650M GB Semi Modular 80BRONZE PSU

QuickFind: 789918

Mfr part code: 0-761345-10574-3

Free Delivery*

£ 63.00  inc. vat

£ 52.50 ex. vat

More Info

Thermaltake Toughpower GX1 500W PSU

  • 80 PLUS Gold Certified
  • Ultra Quiet 120mm Fluid Dynamic Bearing Fan
  • Low Ripple Noise
  • Sophisticated Designed Exterior Shroud
  • High Quality Japanese Capacitors

QuickFind: 855625

Mfr part code: PS-TPD-0500NNFAGE-1

Free Delivery*

£ 58.98  inc. vat

£ 49.15 ex. vat

More Info

Be Quiet! Pure Power 11 600w Power Supply

  • 80 Plus Gold
  • Exceptionally Quiet Operation
  • Silence-Optimized 120mm Be Quiet! Fan
  • Attractively Sleeved Cables
  • 5 Year Warranty

QuickFind: 865168

Mfr part code: BN294

Free Delivery*

£ 59.99  inc. vat

£76.74save £16.75

£ 49.99 ex. vat

£63.95save £13.96
More Info

Be Quiet TFX Power 2 300W Fully Wired 80+ Gold Power Supply

  • Black Coloured PSU with a 80mm Silent Cooling Fan
  • Equipped with a Dual 12v Rail Delivering upto Amps
  • Equipped with 8 PCI-E Connectors for Graphics Cards

QuickFind: 620504

Mfr part code: BN229

Free Delivery*

£ 54.12  inc. vat

£ 45.10 ex. vat

More Info

NE550C GB 80+Bronze Certified PSU

QuickFind: 789917

Mfr part code: 0-761345-05553-6

Free Delivery*

£ 54.50  inc. vat

£ 45.41 ex. vat

More Info

Thermaltake Toughpower GX1 600W PSU

  • 80 PLUS Gold Certified
  • Ultra Quiet 120mm Fluid Dynamic Bearing Fan
  • Low Ripple Noise
  • Sophisticated Designed Exterior Shroud
  • High Quality Japanese Capacitors

QuickFind: 855627

Mfr part code: PS-TPD-0600NNFAGE-1

Free Delivery*

£ 64.98  inc. vat

£ 54.15 ex. vat

More Info

EVGA 600B Bronze Power Supply

  • 80 PLUS Gold certified
  • High Amperage Single-Rail design
  • Heavy-duty protections, including OVP

QuickFind: 759089

Mfr part code: 100-B1-0600-K3

Free Delivery*

£ 65.99  inc. vat

£ 54.99 ex. vat

More Info

Corsair CX series CX550 550W 80 PLUS BRONZE

  • 80 PLUS Bronze certified
  • Thermally Controlled Fan
  • Non Modular

QuickFind: 782046

Mfr part code: CP-9020121-UK

Free Delivery*

£ 55.49  inc. vat

£ 46.24 ex. vat

More Info

NE550M GB Semi Modular 80BRONZE PSU

QuickFind: 789916

Mfr part code: 0-761345-10573-6

Free Delivery*

£ 59.00  inc. vat

£ 49.16 ex. vat

More Info
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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.