be quiet! Dark Rock Pro 4 250W TDP CPU Cooler | Includes Two Silent Wings PWM

Socket compatibility Intel: 1700 / 1200 / 2066 / 1150 / 1151 / 1155 / 2011(-3) Square ILM
Two virtually inaudible silent Wings PWM fans
Funnel-shaped frame of the front fan for high air pressure
Achieves only 24.3Db(a) at maximum fan speed
Seven high-performance copper heat pipes
Overall dimensions without Mounting material (L x w x H): 5.7 x 5.35 x 6.40 inch
Airflow-optimized cooling fins; cutouts enhance the RAM compatibility.