Cooler Master i700 - 700W 80 PLUS Bronze Power Supply with 5-Year Warranty Single +12V rail provides ample power and strong resistance to any overloading Compliant with Intel ATX 12V V2.3 Dual-protection from electromagnetic interference Intelligent fan speed control Multiple Protection design (OVP/OCP/OPP /SCP) More than 85% efficiency at typical load operation High reliability (MTBF &gt; 100,000 hrs)