There are two ways of fix RAM overheating for this miniPC.

First is to switch from 5600 to 4800 MT/s DDR5 RAM modules

Second is to Switch CPU in non turbo mode

Crucial 2x48GB DDR5 5600 modules and CPU in turbo mode

Disable CPU Turbo

switch modules to 4800 and enable Turbo

switch modules to 4800 and enable Turbo

compare performance