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Corsair SF 450 and SF 600 PSU Review

Rating: 9.0.

Today Corsair release two new SFX power supplies – the aptly named SF450 and SF600, in 450 watt and 600 watt capacities respectively. One of the talking points with these power supplies is the adoption of large 92mm fans, breaking the SFX trend of 80mm or smaller ‘noisemakers'. This should help reduce noise levels, while maintaining a high level of airflow. Both supplies are pure modular designs and are 80 Plus Gold Certified.

To help facilitate low noise conditions, Corsair have adopted a Zero RPM fan mode at low to moderate loads. Corsair claim the fan should be inactive at up to 30% of the PSU's maximum load.


Corsair say they are accepting no compromises in the design of these units, they have adopted 105c Japanese capacitors throughout to deliver clean, stable power. The all modular design helps ensure that neat, fast system builds are possible – Corsair have opted for flat ribbon style cables, for ease of routing.

SF450 and SF600 overview:

  • Low Noise SF Series 92mm fan.
  • Easy to Route Modular Cables.
  • 105c Japanese Capacitors.
  • careful selection of components to reduce coil whine.
  • 80 Plus Gold Certified.
  • 5 year warranty.

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