After reading about this on Reddit I went out and bought these pins to mount two thin 120mm fans on top of a NR200P. I have been using the recently released Arctic P12 Slim PWM fans and these pins hold the fans very well on these rubber mounts, but be aware that these pins are still too long (as shown in the photo) so fans without anti -Vibration rubber pads (e.g. Arctic P12 Slim PWM I) can cause slight rattling noises at higher speeds. If your fans don't have rubber grommets, these pins will not securely hold the standard fan guards that come with the NR200P. get better results as they are thicker, however I don't have any fans that I can't test or see if they will fit.
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