Earlier this tear ASUS launched the ROG Swift PG258Q, today they added the ROG Strix XG258Q, basically, the FreeSync version of that previously mentions GSync model.... ASUS Offers ROG Strix XG258Q with FreeSync and 240 Hz support
"For FreeSync the minimum refresh is 48 Hz, which unfortunately is a notch higher compared to the 30 Hz of the PG258Q" Doesn't matter since real minimum is below 15Hz thanks to LFC.