I need some help from people who maybe enountered this problem already.
I did my latest build recently:
Asus ROG Strix x570-i Gaming
Ryzen 9 5900X
RTX 4080 Founders Edition
It sits in a FormD T1 v2 case with FormD PCI-E 4.0 riser cable. What I noticed that it works perfectly in PCI-E Gen 3...