CT140 PC Cooling Fans are Thermaltake's new generation PWM fans designed to fit all PC usage scenarios. The CT Series Fans have a fan speed of 1500 RPM and are made with specially tuned fan blades that can push the air further. The new Cable-Integrated Daisy-Chain Design provides more flexibility in cable management. It has seven fan blade structured fans can provide a 2.3 mm-H2O air pressure and an airflow of 77.37 CFM while maintaining its noise level at 30.5 db-A, allowing you to enjoy these well-balanced performance fans under a friendly budget.