Dynatron R27 80mm 2 Ball CPU Cooler

At Duty Cycle 20%: 1000 RPM At Duty Cycle 50%: 2000 RPM At Duty Cycle 100%: 3800 RPM At Duty Cycle 20%: 13.8 CFM At Duty Cycle 50%: 30.78 CFM At Duty Cycle 100%: 65.4 CFM Aluminum Fins, 4x Heat Pipes with H.C.C. Technology