I assume you have tried this, but if not, try it on auto as DOCP/EXPO settings and even manual, can make this happen. Its why even though its not happening now for some of us since 1104, its still not fixed as it cripples drive speed, I end up using ...

Well I can confirm that I am a masochist after saying I'm out, as I just tried 1203, and if anything, my raided 990 Pro drives using M.2-2 and 3 are running even slower with DOCP or EXPO, 237MB/s like a fast HDD. Back to manual it seems.UpdateGoing t...

To be honest, I have given up on this now, manual fixes it for me but 1104 also means I have to tweak GPU settings again to stop random black screens, so I went back to the previous one (I get this occasionally with new bios and GPU driver coming out...

Yeah seems like there is something iffy with the drive speeds. After seeing there was this issue I tried myself with a full reset to default first then, applying DOCP I then manually setting all the drives to PCIe 4.0. I should be getting closer to 1...

It seems 1104 has resolved it as promised, all my drives are showing with DOCP 1 and 2, hopefully it works for others with this issue as well. I will be sticking to my manual settings but its nice to see its fixed  for those not wanting to play with ...