A:AnswerI think so. I was able to reach 165hz, and my monitor only goes up to 165hz, and I have a lower graphics card than yours. You should be able to Google your monitor as well for more info because sometimes displayport can do it better than hdmi. In my case, this did the trick.
A:AnswerThere's really not a lot out there that's not 3.0, but certainly something to look out for. Definitely 2.o is inferior, and it will slow transfer speeds. Good Luck
A:AnswerHave you checked the input source to the TV itself. That's a common mistake, not selecting the correct input on the TV to be viewed. And while this is very basic, you might want to be sure the HDMI inputs are fully connected. Best of luck with it!