Hello.
To improve cooling on your PlayStation 4 Pro, you can increase the flow of cold air to the heat sink of PlayStation 4 Pro. You can remove the top cover of PlayStation 4 Pro without voiding the warranty.
I ordered a used PlayStation 4 Pro top cover from eBay and sent it off for laser cutting. PlayStation 4 Pro game console is much quieter now.
Drawing example:
Download the drawing in EPS format.
Result:
