It most certainly DOES. I have a GTX1080TI connected to it and just entered the menu and it indicates "HDR" mode under picture. When you disable HDR it is nowhere near as vibrant.Acer ET430k has HDR?
No, it does not.
christal, do you own the Acer ET430k like I do?
If so, what video card are you using, as only the most modern ones support this mode.
Perhaps this link explains it: