Titan 12V DC Cooling Fan Extreme Silent Low Speed Control (120mm) Extreme Silent and Low Speed- With 120mm intelligent speed control fan, it can reach the lowest speed to 150 RPM, providing a silent operation experience. Extreme Low Power Consumption- it can precisely control speed and extreme save power consumption. Exclusive Longer Z-AXIS Bearing- With TITAN exclusive Z-AXIS Bearing, it has longer life time than others, offering the best durance and stability. Fan Dimension: 120 x 120 x 15 mm Rated Speed: 150 ~ 1500 RPM / Power Consumption: 2.4 W