Question Monitor and performance ?

Since I don't know what country you are in and what local stores may have, you need to do some looking yourself. A couple makes/models to consider:

https://www.msi.com/Monitor/G244F
https://www.samsung.com/us/computin...y-g32a-gaming-fhd-led-monitor-ls32ag320nnxza/ (Look at the 24 inch version for your price range)