The ASUS ROG Strix 850W Gold Aura Edition is an 850-watt power supply unit (PSU) designed for gaming PCs, featuring 80 PLUS Gold certification, ATX 3.0 support, and customizable RGB lighting. It boasts high-quality components, including Japanese capacitors, and is built for quiet and efficient operation with features like an Axial-tech fan, ROG heatsinks, and 0dB Technology.