Quote Originally Posted by chew* View Post
I think its pcb tbh. Other mainstream boards are exhibiting similar issues. That or intentional nerfing to sell higher tier products.

B350s are doing way better than mainstream. Near top tier x370 speeds but at the cost of inability to max out 8c cpu's reliably.
The testing I've done with the X370 K4 would suggest Asrock at least are not doing this the RipjawsV kit I'm testing isn't even on the QVL for the K4 but even prior to AGESA 1.0.0.6 the kit ran like a champ @ 2933 14-14-14-14-25 1T and it manages the same results up to 3066MHz with AGESA 1.0.0.6. So far, issues at and above 3200 appear to be a case of some UEFI fine tuning that needs to be done. When I know more, you guys will know more