![]() the only hassle I had was connecting the Noctua power cable to the cMP's on board PSU power socket. The Noctua installed with the PWM NA-FC1 PWM controller makes this a lot easier. so replacing this fan is a real nightmare. On top of that, the apple standard PSU fan cabling requires the motherboard ( backplane ) to be removed. With the original Apple fan removed and the Noctua NA-FC1 PWM speed controller inline and the cMP's side cover installed I expect very good results in terms of low noise and much lower PSU temps.Ĭonsidering that in a standard 4,1 or 5,1 cMP standard PC replacement fans can be used but will not have any fan speed control due to Apple's propriety PWM design. I have no idea what levels audio professionals expect but so far, for me Im quite happy with the Noctua's nocie levels at 1,614 rpm with the side cover off. With the side WPM NA-FC1 conenctedcover replaced I expect even better noise reduction. The Noctua is supposedly running at 1,614rpm but the Apple fan was running at 1,000rpm before and is due for a de-dusting & cleaning. ![]() ![]() This with the cMP's side cover removed so far. ![]() To be honest, I can't tell the difference between the Apple or the Noctua fans. ![]()
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