I am looking for a new kit, a 2x16 3200 cas 16
There is this kit from g.skill in my local store : F4-3200C16D-32GTZRX
The weird thing is that they appear to be compatible with the msi unify in g.skill website (
https://www.gskill.com/configurator?page=2&cls=1529635169&adSearch2=Capacity§32GB (16GBx2),Tested_Speed§3200MHz,&manufacturer=1524715120&chipset=1562635032&model=1574992697)
BUT they don't appear in the compatibility list on msi website :
https://www.msi.com/Motherboard/support/MEG-X570-UNIFY#support-mem-19
This is because the memory makers have their own QVL.
As I've pointed out elsewhere, the QVL's should only be considered to be guidance, as we don't know what the full system spec is.
For example, in your case, you couldn't get some RAM that should work at a certain speed to work at said speed, but it might've worked fine with say a 3900X at those same clocks. This has, as has been explained here, something to do with the binning of various SKUs and small differences in manufacturing quality. As such, not all chips are made the same and a combination of worst case parts, means you're not going to end up with the same clocks speeds as someone else.
Anything outside of the actual manufacturers specifications, in this case, mainly the CPU, shouldn't be taken as a given, but rather as a bonus if it's possible.
