Fan model: EFB0412HHD-ROO Appearance size: forty * forty * 20mm (4020) Rated voltage: 12V Current: zero Power: 1 Fan speed: 8200RPM Noise: 30 Air volume: nine Function: Stop operating alarm Fan interface: 4P3 cable interface (interface sort 2 4P terminal as shown in the figure) Line length: 20CM Fan speed: 8200RPM Features: Maintenance loose double ball bearings, extremely lengthy carrier life, with ample warmth dissipation air volume and air stress Service life: 10 hours (in an environment of 25 ℃, 45-85% relative humidity)