Sanyo Denki San Ace 80 9HVB High Static Pressure DC Fans feature maximum airflow of 141.3CFM³/min, maximum static pressure of 6.42inchH2O, and a PWM function to control the fan speed. The PWM control function contributes to lower noise while improving energy efficiency. The San Ace 80 9HVB DC fans offer up to 57.6W rated input and 12V rated voltage in an 80mm x 80mm x 38mm package. The 9HVB high static pressure DC fans are ideal for cooling high-density equipment such as servers, storage devices, and routers.