Dimensions 120 x 120 x 25mm Bearing Type Dual Bearings Connector 4-Pin PWM Speed (RPM) PWM Mode：900 ~ 2150 RPM ± 10% DC Mode：450 ~ 2150 RPM ± 10% Fan Max Air Flow (CFM) 75 CFM Fan Max Static Pressure (mmH2O) 3.15 mm H₂O Fan Noise Level (dBA) 10 - 28dBA (Max) Fan Rated Voltage DC 12V Fan Starting Voltage DC 5V Fan Operating Voltage DC 5V～13.2V Fan Rated Current 0.16A (Max) Fan Power Dissipation 1.56W Fan Protection Auto-Restart MTTF 25℃：250,000 Hours 60℃：60,000 Hours Cable Length 620 ± 10mm Total Including a 450mm Extension Cable Daisy-Chain Capable