[z999]

OK. So this changes my question. I thought what I had was regular x265 2160p, but now I understand that what's marked as uhd is also HDR.

So what hardware is capable of playing that? If this is current "endgame" then I am willing to pay more for that. Is the Vero 4K+ the best option? Or the Minix U9?

Thank you both so much everyone for the very quick, patient, and helpful replies.