Thermaltake Contac 9 SE CPU Cooler - 3.62" Maximum Fan Diameter - 247.8 gal/min Maximum Airflow - 2000 rpm - 24.5 dB(A) Noise - Air Cooler - 4 pin PWM - Socket LGA-1700, Socket LGA-1200, Socket H LGA-1156, Socket H2 LGA-1155, Socket H4 LGA-1151, Socket H3 LGA-1150, Socket AM4, Socket AM3+, Socket AM3 PGA-941, Socket AM2+ PGA-940, Socket AM2 PGA-940, ... Compatible Processor Socket - Processor - 4.6 Year Life: