My 13" 2014 MBP supports 2 mDP + 1 HDMI = total 3 external displays. Running external display at 4k@60Hz is possible but not straight forward, it requires patc

My 13" 2014 MBP supports 2 mDP + 1 HDMI = total 3 external displays. Running external display at 4k@60Hz is possible but not straight forward, it requires patch core graphic framework, or using 3rd party boot loader. Newer models do not have this limitation afaik.