[SOLVED] How to run the cmk16gx4m2b3000c15 at 3000mhz with a b450 tomahawk?

Solution
MSI uses A-XMP profiles for RAM in it's AMD based boards BIOS.
So you would need to enter the BIOS and select the 3000 MHz A-XMP profile for your RAM.
Then Save the changes and Exit the BIOS and reboot.