javidali :
hi which monitor will b perfect for the xbox one x...would the x34 be worth it for dat?
The "X" is an HDR capable machine, therefore you'd want to invest your budget into an HDR capable display.. The only monitors at the moment (on the U.S. market that I know of) that purportedly support HDR are made by Samsung:
https

/www.samsung.com/us/computing/monitors/gaming/s/_/n-10+11+hv22x+zq2jk/
All would be more cost-effective options to a 4K TV obviously BUT may not have built in speakers, which to be honest, most monitor audio is horrid to be polite. If you already own an audio solution, you're set... Otherwise, you'd need to invest in a soundbar, 2.1, surround system etc.
Option two: Nab a 4K 120Hz HDR TV within your budget with a screen-size that will work within your desired mounting-space/location for it.