knives88 Posted November 20, 2018 Share Posted November 20, 2018 I'm going to change the fans of the H150i Pro. What's the maximum total amperage of the fans I can install? I saw the Noctua NF-F12 Industrial 3000RPM and have a current of 0.3A each. Link to comment Share on other sites More sharing options...
DevBiker Posted November 20, 2018 Share Posted November 20, 2018 From an amperage perspective, you'll be fine. The Liquid Cooler FAQ lists the amperage available for the Pro series coolers. I will say, however, that you likely won't see much improvement in performance - radiators can only shed so much heat and above a certain level, you're just making noise. Of course, if you have the radiator configured as intake, extra speed can mean more flow through the case. Link to comment Share on other sites More sharing options...
c-attack Posted November 20, 2018 Share Posted November 20, 2018 I would only buy the 3000 rpm version if you actually intend to run them above 2000. Otherwise, the 2000 PWM version would be a better choice. It has a slightly lower minimum, but also tends to be more cooperative with all fan controllers. There are some specific complaints about unusual behavior on the 3000 rpm models and Corsair controllers. Aside from the higher speed limit, the blade is the same so they both move the same amount of air and have the same specifications at 1500 rpm or any other speed. Link to comment Share on other sites More sharing options...
knives88 Posted November 24, 2018 Author Share Posted November 24, 2018 Ok thanks, I took the PWM 2000 rpm version. I noticed a strange problem, with manual setting from 1500 to 2000 I can not regulate them. Any value I put RPM / WPM above 1500rpm and below 2000 rpm, the fans always go to 1500rpm. It is as if H150i pro has in memory the maximum speed of the previous fans. By connecting the fans to the Commander Pro I can adjust them without problems. Link to comment Share on other sites More sharing options...
c-attack Posted November 24, 2018 Share Posted November 24, 2018 This is on the H150i controller and with a custom curve "fixed rpm or %"? Link to comment Share on other sites More sharing options...
knives88 Posted November 24, 2018 Author Share Posted November 24, 2018 Yes on the H150i controller, fixed / rpm / % have same problem. Link to comment Share on other sites More sharing options...
c-attack Posted November 24, 2018 Share Posted November 24, 2018 I don't know. Someone else is complaining of a similar control issue but with ML fans. Same type of issue, controller refusing to go to 100%. There definitely is some amount of hysteresis on these now. I just tried the same things on H115i Pro and ML140-RGB. Going up from 500 to 1200 took about 5 seconds. From within the same fan curve, switching to different speed between Fixed % and Fixed RPM was basically instantaneous. However, switching back to a different fan profile with a much lower speed took a good 20 seconds+. I am not sure if that is programmed in or not and we have no visible measure of the fan spin up/down delays. I also suspect this related to the PRO fan controllers, as this this same test on with the GPU radiator fans (also ML140-RGB) on my C-Pro provides instant response. Link to comment Share on other sites More sharing options...
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