It's too small for 4K. Sacrifice down to 60hz and you can step back up to the 32" size we're all more comfortable looking at 4K without font scaling. This monitor's real advantage is HDR + 4K + 144hz but it costs as much as having a better gaming monitor next to a better proofing monitor.
This should be on the list:
https://www.tomsguide.com/us/acer-predator-xb321hk-monitor,review-3491.html
and it's $699:
https://www.bhphotovideo.com/c/product/1220628-REG/acer_um_jx1aa_001_predator_xb321hk_32_16_9.html