0 - 400W PSUs (6 products)

For an affordable replacement PSU, or a unit to keep as a standby, the Power Supply Units featured on this page are ideal. From industry giants including Antec, Be Quiet, and more and with wattage from 300 to 400 you will be able to find the ideal PSU. Reliable, quiet, and efficient the Power Supply Units featured below are an affordable and practical solution.

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Xenta 400W 80+ Power Supply Unit 230V with 12cm Fan

  • 400w
  • 12cm Low Noise Fan
  • 80+ Efficiency
  • APFC
  • 3-Pin UK AC adaptor Included

£ 20.99  inc. vat

£28.98save £7.99

£ 17.49 ex. vat

£24.15save £6.66
More Info

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

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

£ 24.48  inc. vat

£29.99save £5.51

£ 20.40 ex. vat

£24.99save £4.59
More Info

Be Quiet! Pure Power 11 CM 400w Power Supply

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

£ 59.99  inc. vat

£ 49.99 ex. vat

More Info

Kolink Classic Power 400W 80 Plus Bronze Power Supply

  • 2x Molex Connectors
  • 3x SATA Connectors
  • 1x PCIe Connectors (6+2-Pin)
  • 4 + 4-Pin CPU Power Connector
  • ATX Form Factor

£ 36.48  inc. vat

£ 30.40 ex. vat

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CISCO SYSTEMS PWR-C1-350WAC= Cisco - Power supply

  • 350W AC Config 1 power supply

£ 414.99  inc. vat

£ 345.82 ex. vat

Finance from per month.
( APR) representative

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Cooler Master MWE White 400 v2 PSU 80+

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

£ 41.19  inc. vat

£ 34.32 ex. vat

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Xenta 400W 80+ Power Supply Unit 230V with 12cm Fan

  • 400w
  • 12cm Low Noise Fan
  • 80+ Efficiency
  • APFC
  • 3-Pin UK AC adaptor Included

QuickFind: 966444

Mfr part code: XEN-400W

£ 20.99  inc. vat

£28.98save £7.99

£ 17.49 ex. vat

£24.15save £6.66
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

£ 24.48  inc. vat

£29.99save £5.51

£ 20.40 ex. vat

£24.99save £4.59
More Info

Be Quiet! Pure Power 11 CM 400w Power Supply

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

QuickFind: 865170

Mfr part code: BN296

£ 59.99  inc. vat

£ 49.99 ex. vat

More Info

Kolink Classic Power 400W 80 Plus Bronze Power Supply

  • 2x Molex Connectors
  • 3x SATA Connectors
  • 1x PCIe Connectors (6+2-Pin)
  • 4 + 4-Pin CPU Power Connector
  • ATX Form Factor

QuickFind: 1138175

Mfr part code: KL-400V2

£ 36.48  inc. vat

£ 30.40 ex. vat

More Info

CISCO SYSTEMS PWR-C1-350WAC= Cisco - Power supply

  • 350W AC Config 1 power supply

QuickFind: 483999

Mfr part code: PWR-C1-350WAC=

£ 414.99  inc. vat

£ 345.82 ex. vat

Finance from per month.
( APR) representative

More Info

Cooler Master MWE White 400 v2 PSU 80+

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

QuickFind: 964900

Mfr part code: MPE-4001-ACABW-UK

£ 41.19  inc. vat

£ 34.32 ex. vat

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400W PSUs

Depending on your system, 400W PSUs will be perfect for converting power for your system. Make sure you check the requirements of you system before you buy however, as your PSU will need to cater for more than half of your PCs requirements. Explore our full range of fantastic branded PSUs right here at Ebuyer.

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