The static flicker started.

Bad "eco" mode, though - nasty flicker in some ambient light conditions

HDMI port produces strange flickering lines

I would imagine 32" 4K to be not much more better

2K it may look good also on 30" but all the non-standard 30", 29", 31", 28" on the market are usually 4K even worse for such a monitor size, only if you'll watch movies and not working

is my ATI 290 8GB struggles a bit playing games in 4K. Like the The Witcher 3 in 4K again no lag with the monitor it was the video card that couldn't handle it

I would imagine 32" 4K to be not much more better

The "worst" of the reviews claimed delta e of 2.0, which is indistinguishable to the eye (though the IPS they compared it to was 0.4).