0 - 400W PSUs (5 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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Be Quiet! 400W System Power 9 PSU

  • Attained by using a high-quality fan
  • Advanced reliability for CPU and GPU
  • Equipped with a wealth of advanced technology
  • Attractive design for high performance, cost-effective systems...

£ 39.99  inc. vat

£42.90save £2.91

£ 33.32 ex. vat

£35.75save £2.43
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FSP250W SFF Power Supply for Xenta L12 - OEM

£ 21.48  inc. vat

£ 17.90 ex. vat

More Info

Avance 250watt Psu Tfx250watt 80+ Psu For D100/h100 - OEM

£ 30.48  inc. vat

£ 25.40 ex. vat

More Info

Antec VP 400 PC EC

  • 400W Continuous Power
  • Up to 82% efficient
  • 120 mm Silence
  • Heavy-duty Caps

£ 37.98  inc. vat

£ 31.65 ex. vat

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Be Quiet TFX Power 2 300W Fully Wired 80+ Bronze 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

£ 56.99  inc. vat

£ 47.49 ex. vat

More Info

Be Quiet! 400W System Power 9 PSU

  • Attained by using a high-quality fan
  • Advanced reliability for CPU and GPU
  • Equipped with a wealth of advanced technology
  • Attractive design for high performance, cost-effective systems...

QuickFind: 859737

Mfr part code: BN245

£ 39.99  inc. vat

£42.90save £2.91

£ 33.32 ex. vat

£35.75save £2.43
More Info

FSP250W SFF Power Supply for Xenta L12 - OEM

QuickFind: 1414426

Mfr part code: 9PA250EY02-OEM

£ 21.48  inc. vat

£ 17.90 ex. vat

More Info

Avance 250watt Psu Tfx250watt 80+ Psu For D100/h100 - OEM

QuickFind: 1413810

Mfr part code: FSP250-60GHT-OEM

£ 30.48  inc. vat

£ 25.40 ex. vat

More Info

Antec VP 400 PC EC

  • 400W Continuous Power
  • Up to 82% efficient
  • 120 mm Silence
  • Heavy-duty Caps

QuickFind: 722891

Mfr part code: 0-761345-06487-3

£ 37.98  inc. vat

£ 31.65 ex. vat

More Info

Be Quiet TFX Power 2 300W Fully Wired 80+ Bronze 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: 620502

Mfr part code: BN228

£ 56.99  inc. vat

£ 47.49 ex. vat

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400W PSUs

Depending on your system, 400W PSUs will be perfect for converting power for your specific needs. 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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