- Review -

NF-A15 PWM
As with my other tests, again I started with a gradual increase of the voltage through the Lamptron FCT starting at 0V and the model made one full revolution at 7.5V. So, to do the first test I had to decrease the voltage to 5V. Test at 5V: After I decreased the voltage to 5V and left the fan to rotate for 5 minutes at this operating voltage I measured airflow level of 39.84 cubic metres per hour at only 550 revolutions per minute. Of course, at this rotating speed the fan was absolutely silent. Test at 7V: During the second test the model reached 780 revolutions per minute and airflow level of 57.6 cubic metres per hour. At these revolutions it remained silent. Test at 9V. The third test conducted at 9V made Noctua NF-A15 PWM work at 975 revolution with airflow level of 73.92 cubic metres per hour and again there was no noise at all. Test at 12V. The last test conducted at 12V made the fan work at 1230 revolutions per minute with airflow level of 102.72 cubic metres per hour. At these revolutions there was a tiny noise coming from the air passing through the propeller.
"Very nice performance compared to other models from other brands providing the same performance but with higher noise level and I believe this model is suitable for installation as a fan cooling CPU cooler and as a fan to be installed on case fan slots. To be honest, I am eager to see it preinstalled on the future CPU coolers. I expect to see nice performance and lots of OC results." (Dobrin Krastev, DVTests.com)
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