Noise Level Results
The fans on the X60 were only capable of spinning near 1000 RPM for the majority of this stock runs, and at this level the fans were pushing 37 dB of noise into the room, and to be honest, it was very tolerable in Silent and the pre-set Custom modes.
The X60 with two fans is ever so slightly less invasive to your ears than the X40 is for one major reason. While the fans on the X40 were spinning at 1700 RPM, the fans that came with the X60 only top out at 1620 RPM. I'm still not sure why the box says the fan speed is much higher though, as both coolers were not able to get close to specs there.
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