Delta 4010 5V Axial fan used by, for example, Voron Stealthburner hotend cooling. With tachometer.
Item Number: ASB0405HHA-AF00
Voltage: 5V DC
Airflow: 8.2CFM
Static Pressure: 0.190 in H2O (47.3, Pa)
Bearing Type: Sleeve
Noise Level: 29.5dB(A)
Power Draw: 650mW
Speed: 7000rpm
Termination: 3 Wire
Working temperature: -10 to 70 °C
Current: 0.130A