Mag B550 M.2 PCIE GEN 4 issue

[linwelin]

Currently running a mag b550 with a 5700G I bought a Samsung 990pro NVME but it is not running in PCIe gen 4 only gen 3, do I have to change a setting in the bios to get gen 4 to work?

Thanks

 

[linwelin]

I believe you have to change CPU, see here.

Smallprint note in the manual:

SON OF A B****

Thank you