Pure A14 PWM controlled fans come with 4 color options including red, blue, green and white. Designed for radiator cooling, the Pure A14 LED fans incorporate 9 LEDs, long life hydraulic bearings for silent operation and anti-vibration dampening foam which minimizes vibration and sound. Pure A14 Radiator Fan (Single Pack) - Blue Pure A14 radiator fans are designed with 9 LEDs, which come with 4 individual colors: red, blue, green and white, delivering uniform brightness and high color saturation allowing you to create your very own themes. Hydraulic Bearing with Low-Noise Design The hydraulic bearing self-lubricates with a high-quality, friction-reducing substance, which lowers operation noise while improving thermal efficiency. The seal cap prevents lubricant leakage and extends the lifespan of the unit. Anti-Vibration Mounting System The In-mold injection anti-vibration rubber pads dampen the vibration of the fan allowing the fan to spin at higher levels without compromising noise levels. The fan is designed with 80% coverage for all corners, maintaining low noise levels when in operation. 4-Color Selections Pure A14 fan not only creates an aesthetically pleasing liquid cooled system but also delivers extraordinary performance during operation. The fans are available in four colors to match with any build you desire.