Hi,
>> I did see one card online at the store I usually buy from.
It's a
>> Radeon™ Pro WX 2100 for $200CAD that supports up to 3 4K monitors. This
>> isn't a recommendation because I haven't done any research or
>> comparisons, but you might be able to find something.
>
> Looks like about $140 USD on amazon here - but only 2GB RAM? Won't
> that affect the maximum resolution?
No. The actual display data for 3 4K monitors is less than 100MB. The
rest of the memory is used for buffers and 3D rendering stuff. Even if
you don't play games, the 3D rendering hardware is used by compositors
like Gnome Shell and video playback.
Am I going to notice a big difference between a 2GB card and a 4GB
card if I don't use it to play games?
I believe the card I have now only has 1GB (it may be more than ten
years old, lol), but I would like to invest in something that's going
to last a while...