Not at 4k resolution. They all advertise themselves as 120hz, but that's only at 1080p. Show me a 4k monitor that is using display port 1.20 that is not at a ridiculous price.
A computer isn't going to struggle with that resolution for non-gaming usage. A $150 graphics card can easily handle 2x 2560x1440 monitors for desktop usage without breaking a sweat.
You're going to end up having to spend a lot more to run a single 4k monitor too because your graphics card absolutely must have display port 1.20 or hdmi 2.0 (which isn't even out AFAIK).
