The illumination is very even with my display, even in the corners. It is operated in sRGB mode via the mini display port in native resolution. The upscaling of 1080p is unfortunately not really good, so please check in advance whether your computer supports 4K!
The DTS sound through the display port is fine for internal monitor speakers.
Class I find the filter for the blue component in the light that protects your eyes clear, but I had always been a filter glasses on when I sat for a long front of the screen.
The only drawback in my opinion: The monitor can be only cigarettes, but not adjusted in height. But the walk is very stable and very high quality through the aluminum, because I'll just ask if required something underneath.
My conclusion: For less than 1,000 EUR you get a better 4K-IPS panel!