Home > Internal Power Supplies > Corsair RM850x (2021) Fully Modular ATX Power Supply - 80 PLUS Gold - Low-Noise Fan - Zero RPM - Black ; Visit the Corsair Store
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I forgot that I had the power supply because it was so quiet.
The PSU is silent until it goes over 300 watts, then the fan turns on.
93% liked the power output stability, but 7% didn't
The power output stability of our internal power supplies is within the published tolerance levels.
My configuration will not be optimal for GPU power draw and I will lose some performance.
86% appreciated the efficiency rating
The power supply does not seem hot even though the fan is not running, which could indicate its efficiency.
The energy efficiency is solid and it was easy to install.
I believe this PSU is one of the best in terms of build quality, electrical performance, and built-in protections. The positive feedback from customers highlights its efficiency rating.
I have noticed that the power supply has a Zero RPM Fan Mode which ensures a quiet computing experience. The fan remains idle until the power supply reaches a certain temperature or load, keeping noise levels to a minimum.
Under heavy load, the power supply remains cool and efficient due to its low-noise operation.
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