The EVGA SuperNOVA 850 G3 850W 80+ Gold Fully Modular ATX Power Supply PSU is a high-quality power supply unit designed for ATX form factor motherboards. With a maximum power output of 850W and a sleek black color, this EVGA SuperNOVA 550 G3 model features a single fan for cooling and efficient performance. Made in China, it is designed for reliability and stability in powering your computer system. Its modular design allows for easy cable management and a clean setup inside your computer case, making it a desirable choice for those looking for a dependable power supply for their system.