Multiple support bracket system For Intel and AMD platform. The Best C/P CPU Cooler for Overclockers & Gamer ! Proprietary through holes on fins for efficient ventilation. Fanless design for low-noise operation. Including one Thermalright TY-147A Utra-low noise 300~1300RPM PWM-Fan (MAX21 dBA). Enlarged copper base to ensure 100% contact with hot 2011-3 processors.