Partner has a GTX 980 I alternate between gsync for gaming and ulmb for office, Very satisfied listed results, no complaints, By cons I get a random number signal at startup or coming out of standby Apart restart the computer I have never found anything to permanently solve the problem, I was quiet a week after the BIOS updater which dated Methuselah but he probably spoke no associated patch. Forums about it rained for gtx 980. This seems strongly linked to the implementation of DisplayPort (replacing HDMI), the possible stroke of whether the fix is to order BIOS / FW screen / graphics driver ...