This Corsair AX850 power supply is a dependable choice for any computer system. Featuring one fan for cooling and compatible with a variety of models, this power supply will keep your computer running smoothly. It is perfect for those in need of a reliable replacement or an upgrade to their existing system. With its ability to deliver stable power, this power supply is a must-have for any computer enthusiast. Yes, this might be a used Power supply but I assure you that is turns on. It’s a 850W power supply, it will work fine. Obviously it the dust will be cleaned off. It will be lookin almost brand NEW!!!!