Q: If I can run 3 4k monitors @30hz ea, can I then run 3 2k monitors @60hz ea?

When connected to a DP 1.4 graphics card, you can run 3 2K monitors at 60hz each. DP 1.4 has a maximunm total data rate of 25.92Gbit/s, one 2K monitor at 60Hz data rate needs 5.63Gbit/s, and 3 2K monitors at 60hz can use 16.89Gbit/s data rate (65%). For more "DP data rate bandwidth", please refer to DisplayPort Wikipedia
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