ZF-1425PWM Features: PWM (Pulse width modulation) Fan Speed Control Minimized Noise Level Optimized Air Flow Specifications: Connectors Fan: 4 pin PWM Dimension 140 x 140 x 25mm Weight (without/with package) 140g / 165g Bearing Type Hydraulic Rated Voltage Fan: DC12V Rated Current 0.28A (Max: 0.38A) Operating Voltage 9.0V -13.2V Fan Speed (RPM) 1200 RPM ± 10% Air Flow (CFM) 56.4 CFM Air Pressure (mmH2O) 0.83 mmH2O Noise Level (dBA) 20.1 dBA Scope of delivery Fan set, 4x Mounting screws Warranty 24 Months