1. First I replaced the thermal paste of my ps4 pro with liquid metal, covered the APU capacitor with glue.
2. I take out the ps4 pro APU aluminum cover (only applicable to CUH7000) and put copper heatsink on all the RAM module.
3. I bought a new set of ps4 pro shell, using small hand grill i opened a square hole on top of the fan and put a piece of casing dust filter to cover up the hole. (I saved the bottom shell for next project, maybe)
4. The fan noise is less significant with liquid metal alone, but after opening the hole, the fan noise is again noticeable, but the air outlet is much stronger and less warmer. So the original small air inlet hole at the right is not sufficient to make our ps4 pro cooler.
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