The Thermaltake Toughpower GF A3 850W ATX Fully Modular 80 PLUS Gold Power Supply is a high-quality power module designed for universal compatibility with a maximum wattage of 850W. With a single fan for cooling, this black power supply features smart zero fan technology for ultra-quiet operation. It is 80 PLUS Gold certified for energy efficiency and comes with a 10-year manufacturer warranty. The Toughpower GF A3 850W is equipped with various connectors including PCIe Gen 5.1 16-PIN, 4 Pin Peripheral, 24 Pin, 6+2 Pin PCI Express, and 8 Pin CPU, making it versatile for a range of computer setups.