Hey honestly I have the monitor too and it's great as a competitive esports monitor. Unfortunately not for much more. Since it's a TN panel, the viewing angles are also very limited. I would personally recommend buying one of the new OLED (QD-Oled) monitors with 360hz. Many of them cost a similar amount and have the advantage of 0ms response time and much nicer colours and deeper blacks. I have tested several competitive gaming monitors in the meantime. If you have any further questions, just let me know.

Yes, this should work without any problems.

3 x HDMI 2.0 and DP 1.2 connection

Unfortunately, we cannot give a blanket answer to this question. We often don't know ourselves when prices change and in which direction; this happens dynamically. You can find out more about the price development of our articles here: https://www.digitec.ch/de/wiki/6028

K is the newer version and is therefore recommended.

According to our research, you can remove them.