A:AnswerI don't know why Sony said it didn't below. It _does_ support HDR and the specs clearly say "This TV is compatible with HDR, and with TRILUMINOS Display it can show a much wider range of color, greater contrast, and enhanced detail."
A:AnswerYes it can. Please check the link below for further assistance.
https://us.en.kb.sony.com/app/answers/detail/a_id/45804/~/how-to-set-up-the-tv-using-the-port-replicator%3F
Thanks,
>Joffrey