Well, it is not much equipped to output the 4K either; the internal display is 1600x900, you can upgrade it to full hd and the external output can do 4k@30 at m

Well, it is not much equipped to output the 4K either; the internal display is 1600x900, you can upgrade it to full hd and the external output can do 4k@30 at most, even the thunderbolt-equipped model.