I’ve been using 2x BenQ 27″ monitors (1560×1440 resolution) but recently upgraded them both to 4k monitors running at 3840 x 2160 but this presented me with some issues. Firstly my existing GPU couldn’t drive more than one 4k monitor and even then it could only do it at 30hz not 60hz, secondly, Windows 7 didn’t play nicely with just one 4k …
https://www.amazon.com/AMD-100-506008-Radeon-Workstation-Graphics/dp/B01MQHEAYE

