Quick overview from the supplier:
PC Case Fan Chieftec ZF-1425PWM, 140x140x25 mm, <20.1 dB, 1200RPM, 56.4 CFM, Hydraulic Bearing, PWM, 4pin
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PN: ZF-1425PWM
Model ZF-1425PWM
EAN Code 0753263078568
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