At Duty Cycle 20%: 1000 +/- 200 RPM At Duty Cycle 50%: 2300 +/- 10% RPM At Duty Cycle 100%: 4000 +/- 10% RPM At Duty Cycle 20%: 12.5 CFM At Duty Cycle 50%: 28.8 CFM At Duty Cycle 100%: 50.0 CFM Aluminum Heatsink with Heatpipe Embedded