PC Computer Power Supply Units (79 products)

It's essential you use the correct power supply for your computer. Whether you're upgrading, building a new set up, or have a broken supply, we have plenty of high-quality, low cost power supplies available at Ebuyer.

Read more about PC Computer Power Supply Units

Showing 1 - 24 of 79 results
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Thermaltake Berlin Pro RGB 650W 80+ Bronze PSU

  • 650W 80+ Bronze Rated
  • High quality Japanese main capacitor.
  • 10 LED Lights including 256 Colors RGB Cycle
  • Prepared for the new Intel processors Kabylake

£ 62.98  inc. vat

£74.49save £11.51

£ 52.48 ex. vat

£62.07save £9.59
More Info

CORSAIR CV Series CV550 - 550 Watt Power Supply

  • 80 PLUS Bronze Certified
  • Full Continuous Power
  • Low-Noise Cooling
  • Black Sleeving and Casing
  • Three-Year Warranty

£ 44.99  inc. vat

£50.00save £5.01

£ 37.49 ex. vat

£41.66save £4.17
More Info

Aerocool Cylon 700w 80+ Psu

  • Wattage: 700W
  • Non-Modular
  • 80 PLUS White
  • 120mm Fan
  • 2 Year Warranty

£ 38.99  inc. vat

£42.39save £3.40

£ 32.49 ex. vat

£35.32save £2.83
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

£ 99.99  inc. vat

£ 83.32 ex. vat

0% Interest offers available

More Info

Aerocool Cylon 500W Power Supply 80 Plus

  • 80Plus 230V EU Standard Certified for up to 85%+ efficiency
  • Silent 12cm black fan with optimized thermal fan speed control...

£ 29.98  inc. vat

£36.98save £7.00

£ 24.98 ex. vat

£30.81save £5.83
More Info

Adata XPG CORE REACTOR 750W Modular 80+ Gold PSU

  • 750W 80+ Gold
  • 4x Molex Connectors
  • 12x SATA Connectors
  • 4x PCIe Connectors (6+2-Pin)
  • Modular Cable System

£ 104.99  inc. vat

£ 87.49 ex. vat

0% Interest offers available

More Info

Aerocool Integrator 600W 80+ Certified PSU 12cm Black Fan Active PFC TW Caps UK Cable

  • 12cm Silent Fan
  • 600w 80+ Efficiency
  • Dimensions 150mm x 85mm x 140mm (WxHxD)

£ 36.98  inc. vat

£38.99save £2.01

£ 30.81 ex. vat

£32.49save £1.68
More Info

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)

£ 44.51  inc. vat

£ 37.09 ex. vat

More Info

Aerocool Integrator 500W Power Supply, 80 Plus Bronze - No Mains Cable

  • High Efficiency - High efficiency PSU - up to 85% in efficiency...
  • Single 12V Rail - Single 12V rail for high compatibility and extreme...

£ 32.98  inc. vat

£34.98save £2.00

£ 27.48 ex. vat

£29.15save £1.67
More Info

CORSAIR CV Series CV450 - 450 Watt Power Supply

  • 80 PLUS Bronze Certified
  • Full Continuous Power
  • Low-Noise Cooling
  • Black Sleeving and Casing
  • Three-Year Warranty

£ 40.00  inc. vat

£46.48save £6.48

£ 33.33 ex. vat

£38.73save £5.40
More Info

Thermaltake Litepower 650W PSU

  • 80 Plus Efficiency
  • Ultra-Quiet Fan
  • Cables with High Flexibility
  • High-Quality Components

£ 41.99  inc. vat

£ 34.99 ex. vat

More Info

Thermaltake Litepower 550W PSU

  • 550W PSU
  • Ultra-Quiet Fan
  • Elongated Sleeved Cables
  • Utmost Reliability and Compatibility
  • Powerful Dedicated +12v Output

£ 37.98  inc. vat

£ 31.65 ex. vat

More Info

Thermaltake Madrid 850W PSU 80+ Gold Certified

  • 80 PLUS® Gold certified: with 87-92% efficiency
  • 100% High quality Japanese made capacitor
  • All flat, low-profile modular cables allow for easy cable routing and...

£ 114.98  inc. vat

£130.98save £16.00

£ 95.81 ex. vat

£109.15save £13.34

0% Interest offers available

More Info

Thermaltake TR2 S Series 700W Power Supply 80 Plus

  • Ultra-Quiet 120mm Fan
  • Multiple Connectors
  • 80 Plus 230V Standard Certified and Kaby Lake-Ready
  • High Quality Components

£ 64.98  inc. vat

£ 54.15 ex. vat

More Info

Xenta 500W 80+ Power Supply Unit 230V with 12cm Fan

  • 500w
  • 12cm Low Noise Fan
  • 80+ Efficiency
  • APFC
  • 3-Pin UK AC adaptor Included

£ 31.98  inc. vat

£ 26.65 ex. vat

More Info

Antec VP600P Plus Power Supply

  • 600W Continuous Power
  • Up to 88% efficient
  • High Current Rails - 2 +12V rails with high load capabilities...
  • 120 mm Silence Fans

£ 54.48  inc. vat

£59.21save £4.73

£ 45.40 ex. vat

£49.34save £3.94
More Info

Aerocool Integrator 500W Power Supply, 80 Plus Bronze

  • Wattage: 500W
  • Non-Modular
  • 80 PLUS Bronze
  • 120mm
  • ECO friendly

£ 32.99  inc. vat

£37.72save £4.73

£ 27.49 ex. vat

£31.43save £3.94
More Info

Adata XPG CORE REACTOR 850W Modular 80+ Gold PSU

  • 4x Molex Connectors
  • 12x SATA Connectors
  • 6x PCIe Connectors (6+2-Pin)
  • Modular Cable System
  • ATX Form Factor

£ 111.99  inc. vat

£ 93.32 ex. vat

0% Interest offers available

More Info

Antec VP700P Plus Power Supply 80+

  • 700W 85% efficiency
  • Fully Wired
  • Single Rail
  • 120mm Fan

£ 49.98  inc. vat

£59.49save £9.51

£ 41.65 ex. vat

£49.57save £7.92
More Info

Thermaltake Litepower 450W PSU

  • Ultra-Quiet Fan
  • Cables with High Flexibility
  • High-Quality Components

£ 34.98  inc. vat

£ 29.15 ex. vat

More Info

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

£ 76.62  inc. vat

£ 63.85 ex. vat

More Info

Aerocool Cylon 400W Fully Wired 80+ PSU/Power Supply

  • Fully Wired ATX PSU
  • 80PLUS White
  • Single Rail
  • 30A
  • 120mm Fan

£ 29.99  inc. vat

£34.32save £4.33

£ 24.99 ex. vat

£28.60save £3.61
More Info

Xenta 600W 80+ Power Supply Unit 230V with 12cm Fan

  • 600w
  • 12cm Low Noise Fan
  • 80+ Efficiency
  • APFC
  • 3-Pin UK AC adaptor Included

£ 34.98  inc. vat

£35.98save £1.00

£ 29.15 ex. vat

£29.98save £0.83
More Info

Aerocool Integrator MX 600W 80 PLUS Silver Semi-Modular PSU Power Supply

  • Wattage: 600W
  • Semi-Modular
  • 80 PLUS Silver
  • 120mm Fan
  • ECO Friendly

£ 49.85  inc. vat

£ 41.54 ex. vat

More Info
Sponsored

Thermaltake Berlin Pro RGB 650W 80+ Bronze PSU

  • 650W 80+ Bronze Rated
  • High quality Japanese main capacitor.
  • 10 LED Lights including 256 Colors RGB Cycle
  • Prepared for the new Intel processors Kabylake

QuickFind: 982575

Mfr part code: W0593RE

£ 62.98  inc. vat

£74.49save £11.51

£ 52.48 ex. vat

£62.07save £9.59
More Info

CORSAIR CV Series CV550 - 550 Watt Power Supply

  • 80 PLUS Bronze Certified
  • Full Continuous Power
  • Low-Noise Cooling
  • Black Sleeving and Casing
  • Three-Year Warranty

QuickFind: 951102

Mfr part code: CP-9020210-UK

£ 44.99  inc. vat

£50.00save £5.01

£ 37.49 ex. vat

£41.66save £4.17
More Info

Aerocool Cylon 700w 80+ Psu

  • Wattage: 700W
  • Non-Modular
  • 80 PLUS White
  • 120mm Fan
  • 2 Year Warranty

QuickFind: 958728

Mfr part code: ACPW-CN70AKC.11

£ 38.99  inc. vat

£42.39save £3.40

£ 32.49 ex. vat

£35.32save £2.83
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

£ 99.99  inc. vat

£ 83.32 ex. vat

0% Interest offers available

More Info

Aerocool Cylon 500W Power Supply 80 Plus

  • 80Plus 230V EU Standard Certified for up to 85%+ efficiency
  • Silent 12cm black fan with optimized thermal fan speed control...

QuickFind: 964797

Mfr part code: ACPW-CN50AKC.11

£ 29.98  inc. vat

£36.98save £7.00

£ 24.98 ex. vat

£30.81save £5.83
More Info

Adata XPG CORE REACTOR 750W Modular 80+ Gold PSU

  • 750W 80+ Gold
  • 4x Molex Connectors
  • 12x SATA Connectors
  • 4x PCIe Connectors (6+2-Pin)
  • Modular Cable System

QuickFind: 990077

Mfr part code: XPG CORE REACTOR 750

£ 104.99  inc. vat

£ 87.49 ex. vat

0% Interest offers available

More Info

Aerocool Integrator 600W 80+ Certified PSU 12cm Black Fan Active PFC TW Caps UK Cable

  • 12cm Silent Fan
  • 600w 80+ Efficiency
  • Dimensions 150mm x 85mm x 140mm (WxHxD)

QuickFind: 713436

Mfr part code: ACP-I600HG

£ 36.98  inc. vat

£38.99save £2.01

£ 30.81 ex. vat

£32.49save £1.68
More Info

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)

QuickFind: 713439

Mfr part code: ACP-I700HG

£ 44.51  inc. vat

£ 37.09 ex. vat

More Info

Aerocool Integrator 500W Power Supply, 80 Plus Bronze - No Mains Cable

  • High Efficiency - High efficiency PSU - up to 85% in efficiency...
  • Single 12V Rail - Single 12V rail for high compatibility and extreme...

QuickFind: 975188

Mfr part code: ACPB-IT50AXB.12

£ 32.98  inc. vat

£34.98save £2.00

£ 27.48 ex. vat

£29.15save £1.67
More Info

CORSAIR CV Series CV450 - 450 Watt Power Supply

  • 80 PLUS Bronze Certified
  • Full Continuous Power
  • Low-Noise Cooling
  • Black Sleeving and Casing
  • Three-Year Warranty

QuickFind: 951101

Mfr part code: CP-9020209-UK

£ 40.00  inc. vat

£46.48save £6.48

£ 33.33 ex. vat

£38.73save £5.40
More Info

Thermaltake Litepower 650W PSU

  • 80 Plus Efficiency
  • Ultra-Quiet Fan
  • Cables with High Flexibility
  • High-Quality Components

QuickFind: 856009

Mfr part code: PS-LTP-0650NPCN UK-2

£ 41.99  inc. vat

£ 34.99 ex. vat

More Info

Thermaltake Litepower 550W PSU

  • 550W PSU
  • Ultra-Quiet Fan
  • Elongated Sleeved Cables
  • Utmost Reliability and Compatibility
  • Powerful Dedicated +12v Output

QuickFind: 845737

Mfr part code: PS-LTP-0550NPCNUK-2

£ 37.98  inc. vat

£ 31.65 ex. vat

More Info

Thermaltake Madrid 850W PSU 80+ Gold Certified

  • 80 PLUS® Gold certified: with 87-92% efficiency
  • 100% High quality Japanese made capacitor
  • All flat, low-profile modular cables allow for easy cable routing and...

QuickFind: 982577

Mfr part code: W0495RE

£ 114.98  inc. vat

£130.98save £16.00

£ 95.81 ex. vat

£109.15save £13.34

0% Interest offers available

More Info

Thermaltake TR2 S Series 700W Power Supply 80 Plus

  • Ultra-Quiet 120mm Fan
  • Multiple Connectors
  • 80 Plus 230V Standard Certified and Kaby Lake-Ready
  • High Quality Components

QuickFind: 788083

Mfr part code: PS-TRS-0700NPCWUK-2

£ 64.98  inc. vat

£ 54.15 ex. vat

More Info

Xenta 500W 80+ Power Supply Unit 230V with 12cm Fan

  • 500w
  • 12cm Low Noise Fan
  • 80+ Efficiency
  • APFC
  • 3-Pin UK AC adaptor Included

QuickFind: 966445

Mfr part code: XEN-500W

£ 31.98  inc. vat

£ 26.65 ex. vat

More Info

Antec VP600P Plus Power Supply

  • 600W Continuous Power
  • Up to 88% efficient
  • High Current Rails - 2 +12V rails with high load capabilities...
  • 120 mm Silence Fans

QuickFind: 958338

Mfr part code: 0-761345-11656-5

£ 54.48  inc. vat

£59.21save £4.73

£ 45.40 ex. vat

£49.34save £3.94
More Info

Aerocool Integrator 500W Power Supply, 80 Plus Bronze

  • Wattage: 500W
  • Non-Modular
  • 80 PLUS Bronze
  • 120mm
  • ECO friendly

QuickFind: 989985

Mfr part code: ACPB-IT50AKC.11

£ 32.99  inc. vat

£37.72save £4.73

£ 27.49 ex. vat

£31.43save £3.94
More Info

Adata XPG CORE REACTOR 850W Modular 80+ Gold PSU

  • 4x Molex Connectors
  • 12x SATA Connectors
  • 6x PCIe Connectors (6+2-Pin)
  • Modular Cable System
  • ATX Form Factor

QuickFind: 990078

Mfr part code: XPG CORE REACTOR 850

£ 111.99  inc. vat

£ 93.32 ex. vat

0% Interest offers available

More Info

Antec VP700P Plus Power Supply 80+

  • 700W 85% efficiency
  • Fully Wired
  • Single Rail
  • 120mm Fan

QuickFind: 982906

Mfr part code: 0-761345-11659-6

£ 49.98  inc. vat

£59.49save £9.51

£ 41.65 ex. vat

£49.57save £7.92
More Info

Thermaltake Litepower 450W PSU

  • Ultra-Quiet Fan
  • Cables with High Flexibility
  • High-Quality Components

QuickFind: 856008

Mfr part code: PS-LTP-0450NPCN UK-2

£ 34.98  inc. vat

£ 29.15 ex. vat

More Info

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

QuickFind: 745621

Mfr part code: CP-9020101-UK

£ 76.62  inc. vat

£ 63.85 ex. vat

More Info

Aerocool Cylon 400W Fully Wired 80+ PSU/Power Supply

  • Fully Wired ATX PSU
  • 80PLUS White
  • Single Rail
  • 30A
  • 120mm Fan

QuickFind: 958727

Mfr part code: ACPW-CN40AKC.11

£ 29.99  inc. vat

£34.32save £4.33

£ 24.99 ex. vat

£28.60save £3.61
More Info

Xenta 600W 80+ Power Supply Unit 230V with 12cm Fan

  • 600w
  • 12cm Low Noise Fan
  • 80+ Efficiency
  • APFC
  • 3-Pin UK AC adaptor Included

QuickFind: 966446

Mfr part code: XEN - 600W

£ 34.98  inc. vat

£35.98save £1.00

£ 29.15 ex. vat

£29.98save £0.83
More Info

Aerocool Integrator MX 600W 80 PLUS Silver Semi-Modular PSU Power Supply

  • Wattage: 600W
  • Semi-Modular
  • 80 PLUS Silver
  • 120mm Fan
  • ECO Friendly

QuickFind: 975190

Mfr part code: ACPB-IM60AKC.11

£ 49.85  inc. vat

£ 41.54 ex. vat

More Info
Showing 1 - 24 of 79 results
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If your power supply doesn't provide enough power for your system, it can cause serious performance issues or system errors. Whether you're building your own PC, or need to replace a faulty power supply, it's important to work out the type and wattage of the power supply you need.

It's important to check the efficiency rating of your power supply; 80%+ efficiency PSUs are a better option, as they waste less electricity, and don't create as much heat inside your system. You should also consider whether you're looking for a modular or non-modular power supply - this will impact the way you build your system, manage cables, and upgrade in the future.

How do I know which power supply I need for a computer?

Which power supply you should buy depends on the components in your computer, and what you use the system for. Generally speaking, you should aim for a power supply that delivers a wattage at least 40% greater than the wattage used by your hardware combined.

You'll also need to consider the processes you use your computer for - your system will work harder when running more demanding programs or games, and therefore will require more power. As a result, gamers and designers will need more headroom than those who use their computers for social media or admin tasks.

What is the power supply on a computer?

The power supply unit (PSU) in your computer converts alternating current (AC) from your plug socket into a continuous current (DC) to run the hardware in your computer. It's essentially the system that provides electricity to your set up, allowing it to power on. A low quality or under-powered PSU will cause erratic performance, and potentially damage your system.

What voltage is a PC power supply?

The power supply itself doesn't have voltage - it converts voltage from the plug socket into a low voltage direct current (DC). In Europe, this is usually around 220-240 volts, and the DC it is converted to will vary.