My First time building high end, my last four builds have been fairly budget oriented for Australian prices.
*9950x3d in 105W eco mode -25ccd1 -20ccd0 offsets
*5090 Auros Stealth undervolted to 900Mv
*Kingston Fury 64Gb at 6000Mts
*Gigabyte x870 Aorus Stealth
*Lian Li Edge 1000W Platinum
*Lian Li Hydroshift 2
*Lian Li Sl wireless x9
*Lian Li O11d mini V2
*Kingston SC3000 1Tb OS drive
*Kingston SC3000 2Tb Steam
*Silicon Power 2Tb Overflow
Originally had 96Gb of G-Skill Ripjaws, but the modules were faulty, swapped for the Kingstons and am happy. Have only tested Battfield 6 so far, but at Ultra presets native 4k sitting around 200's with lows into 160's GPU around 55°c CPU around 60°c ambient is about 22°c