On a daily basis I use -35 works very stable
I tried testing -40 just for the result, I got a result of 19455 I'm not going to use it because it probably won't be stable. I didn't test
https://i.postimg.cc/nLL4NZ5y/20241014-225420.jpg
My pc
7800x3d -35
Rtx 4080 x slim non super
Ak620 (aircooler)
Corsair ddr5 6000 cl30
B650 gaming x ax v2
850 w