TR HR-02 Macho Rev.B Multiple Heatpipe Cooler, Intel LGA 775/1366/1156/1155/2011/1150 / 2011-3, AMD AM2 (+) / AM3 (+) / FM1 / FM2 (+) TY 147A PWM fan (300-1300 U / min, 15-21 dBA 28.7 to 125 m³ / h) (Accessories)
Can only agree with the previous speakers. in Idlebetrieb constant room temperature (about 22 ° C) under full load with Prime95 under 50 ° C and even up to 100% turns the fan is pleasantly quiet, of course, he can be heard, but even if you minimize a