PSU Tier list tier 1-2 are good for gaming
http://www.tomshardware.co.uk/forum/id-2547993/psu-tier-list.html
I would recommend an EVGA SuperNova Gold G2 / GS / GQ, Platinum P2 / PS, or Titanium T2 or a Seasonic M12-II Evo or S12-II
GOOD PSU EVGA is a B2, G2, P2, GS, PS, or T2. Avoid the EVGA B1 and G1 series