r9 280x boot issue - power needed?

Stumpy3

Honorable
Oct 13, 2013
20
0
10,510
Im building and switched pc on to see no signal on the screen. This is with 2 of those 8-pin power plugs in it. Then i removed one of them and it boots. So my question is, why does this happen? And is it just because the r9 280x only need one set of 8pin in it?