I recently upgraded to a Samsung 970 EVO Plus and the operating/standby temperature was 42-44°C idle/light applications. When used while gaming, the maximum temperature was around 65°C. With this heatsink, the temperature dropped to around 39-42°C during operation and idle, but never exceeded 50°C during gaming. To do this, you absolutely have to adjust the fan settings in the BIOS. I've had voltages ranging from 6 volts at 39C to 12 volts at 48C. Installation was fairly easy, but the instructions regarding silicone thermal pads could be a bit clearer. There are two clear plastic sheets that you will need to remove, one is very thin and the other is thicker and will prevent the gasket from bending when it is applied to the heatsink. It was quite difficult to apply because it doesn't really stick, but I managed it without any problems. I'm happy with it and will probably buy another one if the fan fails on mine.
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