@OJ92 Well, I just want to reply with some positive outcome - what I did is I placed adapter in the other PCI-E slot and it worked without any issue so far,

@OJ92 So i tested with a Realtek driver as well - no luck either. Shame...

I'd like also to emphasize a lack of compatibility with a new build of win10 (21H2 build). I also purchased T2E a month ago to this date I can't get a stable connection to it. Both drivers given from...