I did... I opted for the Corsair H115i RGB Platinum... I had to place it on the top of the case because there was no clearance in the front of my Corsair 750D full tower because of the dual drive bays (I have a one terabyte amsung M.2 970 Plus NVME as the boot and three six terabyte WD Red drives and a single five terabyte Toshiba drive).
With the Corsair, my idle temps drop to about 37-40 degrees (CPU voltage drops to 0.95 volts) and hits 80-85 degrees when encoding. I changed the Windows Power Plan to Power Saver with the minimum CPU speed at 50% and maximum to 100%. On idle, the CPU runs about 2.2 GHz and ramps up to 4.4 GHz when encoding.
When using any other power plan (balanced, Ryzen Balanced, Ryzen High Performance, High Performance or Ultimate Performance) the CPU will boost to 4.4 GHz on idle if CPU speed is set to 100%.
When I set the CPU speed to 99% on any of these modes, the idle speed drops to 3.7 GHz on idle, i.e. it does not throttle down. The CPU temp will drop to 40-45 degrees on 1.1 volts, but will be capped to 3.7 GHz. Only the Power Saver mode can I leave the CPU speed to 100% and the CPU will throttle down during idle, allowing me to hit 4.4 GHz when needed.
Review AMD Ryzen 7 9800X3D Review: Devastating Gaming Performance
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