EK Quantum Impulse 120 D-RGB Fan Review

Advertised Vs. Real Performance

This is probably the most crucial page, showing how accurate is the data provided by the manufacturers/brands on their products. Since nobody so far could verify these numbers, it was an open field for every brand to declare whatever it wanted, but this stops now.

Advertised Vs. Real Performance:
  • Max Speed (RPM): 1800/ 1852
  • Max Input Current (A): 0.12 / 0.13
  • Max Power (W): 1.44 / 1.56
  • Qmax (CFM): 57.5 / 49.64
  • Pmax (mmAq): 1.94 / 1.93
  • Max Noise Level (dBA): 24.3 / 33.7

The claimed airflow is not close to the claimed performance, but the static pressure is almost in the spot! Noise output is also far from what I measured in my hemi-anechoic chamber with a 6-7 dBA noise floor. There are specific guidelines for taking noise measurements in information technology and telecommunications equipment (ISO7779: 2018), which I follow strictly.

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