The ASUS ROG Strix 1200W Platinum ATX 3.1 PSU is a high-performance power supply designed for gaming PCs, featuring an 80 PLUS Platinum rating for high efficiency and a 10-year warranty. It boasts a "GPU-first" voltage sensing with an intelligent stabilizer, gallium nitride (GaN) MOSFETs, and ROG heatsinks for stable and efficient power delivery. It also adheres to the ATX 3.1 standard, includes a 12V-2x6 connector for high-power GPUs, and offers a zero decibel fan mode for quiet operation.