Hardware / Case fans / NF-A4x20 PWM Where to buy Find NF-A4x20 PWM at a retailer.
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Specifications Fan size 40 mm Thickness 20 mm Connector 4-pin PWM Rated voltage 12 V Speed range 0 – 5000 rpm Maximum airflow 9.4 m³/h (5.53 CFM) Maximum static pressure 2.26 mm H₂O Maximum noise 14.9 dB(A) Mounting hole spacing 32 x 32 mm Units per pack 1
Model notes 40 × 40 × 20 mm nominal frame; 22 mm with anti-vibration pads. Four-pin PWM speed control; verify the motherboard header's voltage and current rating. Check the case mounting-hole spacing and space for pads, cables and screw heads. This small-format fan is intended for matching specialist mounts; it is not a replacement for a standard 120 or 140 mm case fan. Airflow, pressure and noise figures are manufacturer ratings; the 3D preview does not calculate temperatures or noise.
Specification source ↗ Image source Pictured: Noctua NF-A4x20 PWM.
Source ↗ Photo: Noctua / Rascom Ges.m.b.H. · Manufacturer product media
