Specification : Overall Dimension Fan Dimension Net Weight Bearing Type 380X295X24mm 140X15mm/100X15mm 900g Hydro Bearing Rated Voltage Operating Voltage Started Voltage Rated Current 5VDC 4.55VDC 4VDC 0.210%~0.4510%A Power Input Fan Speed Max. Air Flow Noise 1W~2.25W 100010%RPM/130010%RPM 121.4CFM 24dB(A)