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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.
Read more about 0 - 400W PSUs
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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
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
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
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
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
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
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
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
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
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
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
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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