A 120 mm fan that is illuminated with blue light handles the cooling for the Real Power power supply. Depending on the temperature, it rotates up to 2,400 times per minutes (maximum). At 50% load, it only reaches a noise level of 20 decibels. Even at 100% load, the noise level is supposedly just 25 dB (A) - at least according to Cooler Master's ads.
A 120 mm ventilator with luminous power