Stop spamming me about service tag, this is intended for a public answer. This is no secret! [URL] thanks, for nothing.
I want to know if the HDMI port together with the GPUs of my computer, support 4K In the manual [URL] could only find information of the thunderbolt port for 4K, so, the GPUs support 4K, but what about HDMI.[URL]  
Resolution supported 15 5510