EVGA SuperNOVA NEX650G 80PLUS Gold Certified ATX12V/EPS12V 650W Power Supply 120-PG-0650-GR 80PLUS Gold Certified, with up to 90% efficiency under typical loads Highest quality Japanese brand capacitors ensure long-term reliability Fully Modular Design to reduce clutter and improve airflow Quiet 2-ball Bearing Fan for near-silent operation High Amperage Multi-Rail Design for maximum power and efficiency Heavy-duty Protections, including OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), and OTP (Over Temperature Protection)