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.
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