Autolizer 80mm Silent Sleeve Bearing Blue LEDs Cooling Fan for Computer PC Cases, CPU Coolers, and Radiators - Black Neon Edition - 2 Years Warranty 80mm x 80mm x 25mm | Speed Up to 2500RPM (maximum RPM) | Noise (dBA)29 dBA | Airflow (CFM) 35.2 CFM Seven fan blades and a sleeved bearing system for less vibration, noise and turbulence High static pressure for efficient radiator or heatsink cooling 2 Year warranty from Autolizer authorized dealer! | RoHS compliance for protecting the environment Tuned for high-airflow, large volume cooling! | Up to 50,000 hour life span! | 4 Pcs mounting screws included!