If your fan makes "helicopter sounds" consistently at high RPM, then RMA it, or fix the mounting. For the final point, set 85☌ or 90☌ CPU temp and 100% PWM value. Then find a good level where the airflow is strong enough but the noise is bearable, and use this as your "full CPU load" setting for higher temperature values like 65☌ or so. This PWM value is your starting point at 40☌ for the fan curve. Put your hand at the other side of the cooler (where the air gets blown through) and feel how much airflow the fan generates with different PWM values.įirst, find a level with a bit of airflow, but being very quiet. My advice: Disregard the reported RPM from the BIOS completely. MSI Afterburner is the world’s most recognized and widely used graphics card overclocking utility. Only within the same fan model, multiple fans will react the same to a given PWM signal. That's why you have to tune the fan curves differently for each different model of fan that you have. Note the dotted white line on the graph (if present). Without further ado, let’s dive into the process. You can easily set the software to display temp, workload, memory clock, clock speed, and everything else that comes with a GPU. Meaning, each model of fan interprets the PWM value differently. Open MSI Afterburner’s properties, go to the Fan tab, and tick the box next to Enable user defined software automatic fan control. Using MSI Afterburner for on-screen display benchmarking is a great way of showcasing how good, or bad, your GPU actually is. But those values never correlate the same way with two different models of fans. The PWM-controlled fans get a PWM percentage value and adjust their RPM by that. It's probably just a wrong readout of the RPM the fan reports.
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