This is for a used 4x Noctua NF-B9 PWM Cooling Fans.


FAN Specification
Size
 
92x92x25 mm
Mounting hole spacing
 
82,5x82,5 mm
Connector & pin-configuration
 
4-pin PWM
Bearing
 
SSO-Bearing
Blade geometry
 
NF-B9 Blade Design
Rotational speed (+/- 10%)
 
1600 RPM
Rotational speed with L.N.A. (+/- 10%)
 
1300 RPM
Min. rotational speed @ 20% PWM (+/-20%)
 
300 RPM
Airflow
 
64,3 m³/h
Airflow with L.N.A.
 
52,6 m³/h
Acoustical noise
 
17,6 dB(A)
Static pressure
 
1,61 mm H₂O
Static pressure with L.N.A.
 
1,09 mm H₂O
Input power (max.)
 
0,96 W
Max. input current
 
0,08 A
Operating voltage
 
12 V
MTTF
 
> 150.000 h
Scope of delivery
 
  • Low-Noise Adapter (L.N.A.)
  • 4-Pin Y-Cable
  • 30cm Extension Cable
  • 4 Vibration-Compensators
  • 4 Fan Screws