It will most definitely work! Granted a GTX 980 Ti is somehow cheaper and kicks but on performance, but the K4200 using maybe a 1/3 of the wattage and is supposed to be more stable. I can't wait to try it!
I'm running dual K4000's right now. I have a K620 in my other computer, no issues on the Maxwell architecture. Works fine with, Revit, Max and Maya.
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