Dynatron A2CG 60mm 2 Ball CPU Cooler Type: Fan & Heatsinks RPM: At Duty Cycle 20%: 1400 RPM At Duty Cycle 50%: 3500 RPM At Duty Cycle 100%: 7000 RPM Air Flow: At Duty Cycle 20%: 7.407 CFM At Duty Cycle 50%: 18.517 CFM At Duty Cycle 100%: 38.283 CFM Noise Level: At Duty Cycle 20%: 2.01 dBA At Duty Cycle 50%: 35.9 dBA At Duty Cycle 100%: 48.1 dBA Color: Black Heatsink Material: Copper Hestink with L Fin Compatibility: AMD Shanghai & Barcelona processors -Third-Generation Opteron 2300 & 8300 series & Second-Generation Opteron Fan Dimensions: 60 x 60 x 25 mm