What you have here is Gigabyte's almost-entry-level 4K gaming monitor, the GS27U, for the very decent price of $330 at Amazon ...

Grab this 27-inch OLED monitor—with plenty of speed, a great resolution, and lots of ports—for a great price today.

Xiaomi is preparing to launch a high-performance monitor under its Redmi lineup, and the official details are now clearer.