I'm seriously considering returning my card, and (with a sickly taste in my mouth) replacing it with Nvidia.
I booted into windows and started playing Metro Exodus. Ran great for 10 minutes then I was kicked back to the desktop, After that I would get nothing but random application crashes and blue screens. I reinstalled everything and tried again. Exactly the same result. After the final BSOD, I booted back into linux. The problems followed me. Anything I did on linux, opening chrome for example, would crash Gnome. I've tried this a few times, each time watching the sensors (card never goes above 80C, fans switch between 40-60%, usage at about 98%). Nothing seems out of the ordinary.
The card is acting like it builds up a temperature during those 10 minutes of gaming, hits a ■■■■■ wall and crashes. Then it requires at least 30 minutes to cool off, during which random crashes are encountered on ANY OS. After that, the card is back to normal.
At this point I don't know if it's the card, firmware or drivers. I paid more than a months salary for this. While I expected there to be a few problems on linux, I didn't expect such serious problems on windows and I'm more than annoyed that those problems persist across reboots and OSs.