EVGA 500 W1, 80+ WHITE 500W, 3 Year Warranty, Power Supply 100-W1-0500-KR, Black 3 Year Warranty. For a LIMITED TIME, +2 extra years with registration. (Valid from 6/5/2018 - 12/31/2018) EVGA 500W  Unbeatable Value. Operating Temperature is 0 degree to 40 degree Celsius 80 PLUS White certified, with 80% efficiency or higher under typical loads 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)