A:AnswerHDR does NOT work on port 5, but it does work on all other ports. Low latency mode is supported on all ports. I have included screenshots of the software below.
Note: I labeled my color preset to "Dolby HDR" this is not indicative of Dolby Vision gaming support.
A:AnswerIt's a 60hz display you have to go to the specifications for that model not the general P series specifications. I own it and I don't have a issue with it being 60hz.