Question OMEN X by HP 4JF30AA - monitor, 64,5"

Feb 16, 2020
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So, I am looking for a new monitor/tv for in my room and my eye felt on this one,
OMEN X by HP 4JF30AA - monitor, 64,5".
Regardless from price I just want to know if my pc can run it and what I should do if i can't?
I got a 1070 GTX with 16 GB of ram and a I5 8500.
I know I wont be able to run AAA/AA games in 144 hertz if I go above 1080p.
Am I going to be able to play CS:GO at 144hz , 4K? And what about rocket league?
I also want to know if I can fix it just by playing my game over a quarter of my monitor. Is this gonna solve my problem since my computer doesn't have to "load" the whole screen.
Also , I wouldn't really mind playing on lower settings. Would more mind to play on lower resolution.