SilverStone SST FW91 FW Series Quiet Computer Case Cooling Fan 92mm PWM, white blue

Unique Double Curved Fan Blade Design Create High Air Pressure with Low Noise Pwm Design Allows 1500 ~ 2800Rpm Fan Speed Control by Motherboard Air-Inlet with Optimized Aerodynamic Reduces Noisy Air Turbulence Package Dimensions : 20.0L x 16.0W x 2.95H (Centimetres)