the noise is normal, if forced to choose to use in PC,there is no way to avoid this noise, PC power fan used within 2000 RPM.This power supply is prohibited in the area of 110V and suitable for the area of 220V,
* 140mm Dual Ball Bearing Fan providing maximum airflow to complete the best air circulation cooling system.This is a power supply controlled by temperature control switch. It needs to wait for 30 seconds to 1 minute to work, which is within the normal use range.
* 80 plus gold certified,under normal load conditions to provide 80% or more efficiency, energy efficient. Reduce the heat, reducing operating costs.