take a look at your 1080 if it was purchased in the the recent past belive it has an hdmi port on it I just got a area 51 with dula 1070s and it has dvi, hdmi, and display port. if you need me to i can post a pic of the cards external sections.
am new to the Alienware family. I have received my Alienware Area 51 R4 system.
Intel 7820x oc to 4.7ghz
32 gig DDR4 2666 memory
Dual Nvidia 1070 GTX in sli
128 gig nvme boot drive
3tb rotational (added after delivery)
logitech g910 Keyboard