yes perfectly can gaming.... no plug in no display ..... it is old hack before 8 pin slot come....
if your gpu need more power and you give lower power to it ... it won't damage your gpu anyway... try and test...
x-fi titanium with fp jack noise headphone here... :/
change mobo with same sound card same noise.....
change fp panel with same noise.....
use built in sound ... no noise....
conclusion... bad bad sound card fp panel slot....
i just wonder if ae-5 fp panel have any noise... :P