An ultra-quiet 120mm fan delivers excellent airflow at an exceptionally low noise level by varying fan speed in response to temperature. 80Plus Bronze certified to deliver 80% efficiency or higher at normal load conditions 0.99 Active Power Factor Correction provides clean and reliable power. Universal AC input from 90~264V. No more hassle of flipping that tiny red switch to select the voltage input A dedicated single 12V rail offers maximum compatibility with the latest components Over-voltage and over-power protection, under-voltage protection, and short circuit protection provide maximum safety to your critical system components A three year warranty and lifetime access to Corsair's legendary technical support and customer service The Corsair Builder Series of PSUs are designed for worry-free compatibility for your home desktop PC system build or upgrade. With features usually reserved for premium power supplies, it’s a great choice for systems where continuous and reliable power delivery and low noise are essential.