Type Fan & Heatsinks RPM At Duty Cycle 20% 1000 rpm At Duty Cycle 50% 2500 rpm At Duty Cycle 100% 5000 rpm Air Flow At Duty Cycle 20% 2.508 CFM At Duty Cycle 50% 7.214 CFM At Duty Cycle 100% 15.0 CFM Noise Level At Duty Cycle 20% 20.5 dBA At Duty Cycle 50% 35.6 dBA At Duty Cycle 100% 49.8 dBA Power Connector 4 Pin Heatsink Material Copper Compatibility Intel Socket 775 Desktop Board DG45FC for MiniITX form factor Fan Dimensions 80 x 80 x 15mm