Dynatron A-26 Processor Cooler 6 cm Black Silver A 2646

: 1500 RPM, rotation speed (max. ). : 8000 RPM, noise level (slow speed): 18 dB, noise level (high speed): 53 dB, maximum airflow: 46.41 cfm, minimum air pressure: 0.76 mmH2O, maximum air pressure: 10.04 mmH2O, bearing type: ball bearings.