One 12V 0.59W silent fan, model 6015, 60mm (60*60*15mm), EC60151B3-Q00U-Q99, 4-pin PWM axial fan.

Model: EC60151B3-Q00U-Q99 Dimensions: 60 * 60 * 15mm Voltage: 12V Power: 0.59W Speed: 3000rpm Airflow: 17.6cfm Noise: 21.3dba Bearing: Maintenance-free double ball bearing Leads: 4-wire 4-pin, 30cm long Functions: Black wire negative, red wire positive, white wire alarm, blue wire PWM temperature control. No speed measurement function.