>>11666
the situation changes every generation, and is frequently different between motherboards, even within the same manufacturer

i THINK on intel you can have two NVME drives on Z690 & Z790 without reducing your GPU to PCIE x8, on most mobos. but not sure. check the manual for your mobo.

it should be stated that x8 is not actually a big performance hit, even with a 4090 it's only like 2%. but people still don't like it.