Dynatron R13 70mm 2 Ball Bearing CPU Cooler

At Duty Cycle 20%: 1100 RPM At Duty Cycle 50%: 2600 RPM At Duty Cycle 100%: 6000 RPM At Duty Cycle 20%: 2.453 CFM At Duty Cycle 50%: 5.798 CFM At Duty Cycle 100%: 14.321 CFM Copper Heatsink with Skiving Fins