I use a similar monitor to this one: pcpartpicker.com/product/LrcMnQ/lg-34uc79g-b-340-…
It is a 21:9 widescreen 2560*1080 monitor with a 144hz refresh rate. This means I can have 3 windows open side by side without any of them being "squashed" (great for coding if you hate horizontal scrolling). The 144hz refresh rate means more frames per second - animations seem more detailed and the brain is able to recognize more information in a burst of frames than a typical 60hz monitor.