Right now, the best monitor for Xbox Series X is the Sony Inzone M9, as it caters nicely to the console's 120fps capabilities with 4K 144Hz abilities ... bunch of UHD and 1440p displays with ...

27 inch WQHD (2560x1440) IPS gaming monitor with 1ms (MPRT) response time 165Hz refresh rate (supports 144Hz) and G-SYNC compatibility for a tear-free experience ASUS Extreme Low Motion Blur Sync ...

Fortunately, there are many great gaming monitors available today, including those offering ultra-high-refresh 1080p, zippy 1440p options, high-fidelity 4K, and a slew of ultrawide panels.