First build psu help

Christian-Hinson

Honorable
Dec 6, 2013
25
0
10,540
Hello Tom's hardware members,
So im currently rocking the asrock extreme 3 r2.0
and the corsair cx 500w and i noticed that near the cpu there is a 2x4 connector and i have a connector that says CPU on it. I dont know if the 12 pin was all i need or do i need both ?