EVGA SuperNOVA 1000 G1, 80+ GOLD 1000W, Fully Modular, 5 Year Warranty, Includes FREE Power On Self Tester Power Supply 120-G1-1000-VR EVGA 1000 G1 - "Next Generation in Power" 80 PLUS Gold certified, with up to 90% efficiency under typical loads Fan Size / Bearing: 135mm Double Ball Bearing 5 Year Warranty and unparalleled EVGA Customer Support Heavy-duty protections, including OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), OPP (Over Power Protection), and SCP (Short Circuit Protection)