@davidism It is, I have a ROG XG49VQ so it's ~22 pounds without the stand. The monitor arm is the Uplift Crestview which is rated for 33 pounds:
https://www.upliftdesk.com/crestview-single-monitor-arm-by-uplift-desk/
For the first few hours it's held up? Had to crank the heck out of the arm tension though.