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Old 07-18-2019, 12:52 PM
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3) Yes, the pump curve is based on the coolant temp using the sensor in the pump. Component temps will increase more than the coolant temperature - water as a much higher specific heat than a processor or GPU. This is normal. Heat is generated at the pins when voltage is applied. At load, there's just no way that this can be transferred to the cold plate fast enough to not heat up the components. That's normal. However, as coolant has a higher specific heat, it heats up more slowly and serves as a heat trap. It also cools down more slowly. The more liquid in the loop, the longer it takes - and that's one of the advantages of a custom loop. An AIO will heat up quicker because there's just a lot less coolant in the system (oh, and the radiator is usually aluminum which isn't as good a conductor of heat as the copper radiators in the HydroX series). With all of this said, the coolant temp is the baseline temp for your components - they won't get cooler than the coolant - and your heat should be viewed as a delta from the coolant temp. A 70C proc temp with a coolant temp of 25C is vastly different from a 70C proc temp with a coolant temp of 50C. So - base your speeds on what it is that is being cooled. With the loop (as with an AIO), the thing you need to cool is the coolant - so that should be your control. Also, take note of the intake temps for the radiator. That'll impact your overall coolant temperatures quite a bit.
And define what you mean by "run hot".

4) See above - a bit. But yes, this is a good plan. The case fans need to control interior temps, especially if your radiator flow is exhaust. If its intake, it's less important if both your GPU and CPU are cooled by your HydroX loop. And if your radiator is configured as exhaust, be especially cognizant of the intake temperature for the radiator's fans - that will have a direct impact on the coolant temperature, which will have an impact on your component temperatures. It's all interrelated.

5) The CoPro can only run the hardware profile based on the temperature sensors on that very same CoPro. If the temp sensors are on a different CoPro, that will require the software to run. CoPros do not "talk" to each other nor do they directly read the values of the various system sensors that iCUE can. If the fan/pump curve is based on ANY temperature not on the CoPro itself, it'll require the software to apply it.

Another tip: Set the fan header for the pump to 4-pin in iCUE, not Auto.
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