Noctua NF-A4x20 PWM Premium Quiet Cooling Fan 40x40x20mm - High-Performance PC Case & CPU Cooler for Gaming, Workstations, and Home Theater PCs

Product Description

Noctua NF-A4x20 PWM Premium Fan

Noctua-NF-A4X20-PWM

Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO frame, the NF-A4x20 PWM is a highly optimised, premium-quality
quiet fan in size 40x20mm. The PWM version sports Noctua’s custom-designed NE-FD1 IC for fully automatic speed control via 4-pin fan headers and comes with a Low-Noise
Adaptor as well as an OmniJoinTM Adaptor Set for easy connection to proprietary fan headers. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s
trusted premium quality make it an elite choice for the highest demands.

PRODUCT SPECIFICATIONS: 

• Dimensions: 40x40x20 mm
• Mounting Hole Spacing:  32x32 mm
• Connector & Pin-configuration: 4-pin PWM
• Cable length:  20cm + 30cm NA-EC1 extension cable
• Bearing: SSO2
• Blade Geometry: A-Series with Flow Acceleration Channels
• Frame Technology: AAO (Advanced Acoustic Optimisation)
• Rotational Speed (+/- 10%): 5000 RPM
• Rotational speed with L.N.A. (+/- 10%): 4400 RPM
• Min. rotational speed @ 20% PWM (+/-20%): 1200 RPM
• Airflow: 9.4 m³/h
• Airflow with L.N.A.: 8.3 m³/h
• Acoustical Noise: 14.9 dB(A)
• Acoustical noise with L.N.A.: 12.2 dB(A)
• Static Pressure: 2.26 mm H₂O
• Static pressure with L.N.A.: 1.75 mm H₂O
• Input Power (Max.): 0.6 W
• Input Current (Max.): 0.05 A
• Operating Voltage: 12 VDC
• Voltage PWM Signal: 5 VDC
• MTTF >: 150,000 Hours
• Scope of Delivery:
  
• Low-Noise Adaptor (L.N.A.)
• 4-pin y-cable
• 30cm extension cable
• OmniJoin™ adaptor set
• NA-AV3 anti-vibration mounts
• Fan screws
• Warranty: 6 years