Cooler Master GeminII S Copper Base Aluminum Fins 5 Heatpipes CPU Cooler - (RR-CCH-PBU1-GP) Cooler Master Geminii S Copper Heat Pipe Heat Sink General Features: Aluminum fin heat sink Copper base Five (5) 6 mm copper heat pipes Sleeve bearing fan Supports Intel and AMD CPUs Supports one (1) 120 mm fan, two (2) 92 mm fans or two (2) 80 mm fans Fan speed: 1000 ~ 2000 RPM Operates at only 19 dBA (average) Airflow: 69.69 CFM 4-pin PWM fan power connector Lead-free components (RoHS compliant)