: NIDEC Model: B35502-35 MITSize: 120 x120x38mmDouble ball bearing:Voltage: 12 vCurrent: 1.40 APower: 16.8 WSpeed: 1000-3600 RPM plus or minus 5%Noise: 56.5 dB (A) - is the largestInterface: the mainboard 4 p (support speed PWM speed control)Line length: 45 cmApplicable: the case of heat dissipation, hard disk, CPU heat dissipation, and other cooling purposes