Even if you don't have a good set of layout tools, a lot of 32:9 ultrawides are capable of being run as two separate 16:9 displays. Works great for Windows, but since I use Linux and have plenty of great tools to manage my windows, I just use the single 32:9
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I'm running dual 4k. Took a look at the ultrawides and that res is unobtainium. Probably because the bandwidth for that is so high it takes 2 cables.