My z790 gaming x ax ddr 5 oc the cpu beyond limit but i lower it so it do not get too hot.but 140w on i9 14900k should get lower temperaturehow did you mount it and did you OC the CPU?
bios of motherboard up to date?
350 icc max,260w pl1 260w pl2.default is 400 A.140 w in cs 2.i9 14900k can do 6 ghz but with my setting it only show 5,5 ghz during cs 2 and its already hot around 83_88if you oc it, are you sure it's only 140W?