if someone is looking for monitor, i can recommend the LG 28MQ780 [0], its 2x 2560x1440 stack on top of each other (2560x2880 in total), giving you 16:18 aspect ratio. i'm using one of these in portrait right and it's fantastic for coding.

[0] https://www.lg.com/us/monitors/lg-28mq780-b-dualup-monitor