EVGA Supernova 1050 GS, 80+ Gold 1050W, Fully Modular, EVGA ECO Mode, 7 Year Warranty, Includes Free Power On Self Tester Power Supply 220-GS-1050-V1 EVGA 1050 GS - "Silence is Golden" 80 PLUS Gold certified, with 90% (115VAC) / 92% (220VAC~240VAC) efficiency or higher under typical loads Fan Size / Bearing: 135mm Teflon Nano-Steal Bearing 7 Year Warranty and unparalleled EVGA Customer Support Heavyduty protections, including OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), OPP (Over Power Protection), and SCP (Short Circuit Protection)