80GA Low Noise/Low Power Consumption Fans Sanyo Denki 80GA Series Low Noise, Low Power Consumption Fans are quiet, energy-saving 80mm x 80mm x 25mm fans with a pulse sensor and PWM speed control function. The San Ace 80GA fans reduce the sound pressure level by 4dB and power consumption by approximately 30% when compared with the conventional product model. These fans are available with either a 12V or 24V rated voltage, a 10.2V to 27.6V operating voltage range, and a 40,000 hour expected life.