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Home > Hardware Reviews > PC Parts

Friday, May 08, 2009
Arctic Cooling Fusion 550R PSU

4. Final words

The Arctic Cooling Fusion 550R power supply comes with a new design with a small but powerful 80mm fan placed right next to the cabling, instead of the typical bigger 120-140mm fan. The specific design saves some space and also contributed to a more quiet operation. The fan's rotating speed can be dynamically adjusted by connecting it to the motherboard, further contributing to less noisy operation.

Our simple tests did not show any important performance issues. The PSU is offering 4 PCI-e connectors that could be enough to power even dual graphics cards setups, although the 500W are not enough for powering such systems.

We would also like to see longer cables for easier installation in bigger PC cases.

The Arctic Cooling Fusion 550R is a decent product and most importantly, it is properly priced for its category at $80. The device is backed by a 3-year warranty.

- The Good

  • 550Watt output
  • ECO 80 rating
  • Well built
  • Active PFC design
  • Has four PCI-e cable, enabling SLI/Crossfire setups
  • ATX v2.2 certified
  • 3 years of warranty
  • Proper retail price for this category
  • Rather low noise produced when Q-Fan is enabled under motherboard BIOS
  • Low variation at +12V rail when using SLI setup and high efficiency

- The Bad

  • Has only 4pin ATX power, while most systems would need 4+4pin connectors
  • The length of power cables is not good enough for midi/big cases

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