EVGA SuperNOVA 750 B1, 80+ BRONZE 750W, Semi Modular, 5 Year Warranty, Includes FREE Power On Self Tester, Power Supply 110-B1-0750-VR EVGA 750 B1 - "Next Generation in Power" 80 PLUS Bronze certified, with 85% 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), SCP (Short Circuit Protection), and OTP (Over Temperature Protection)