AeroCool Shark 120mm White Cooling Fan EN55505 AeroCool Unique Shark Fin like blade design high performance high airflow Shark 120mm White LED fan. Total 15 fan blades generate Extreme High Air Pressure and High Air Flow for maximum cooling effect. Generate airflow of 83CFM at only 26.5dBA. Innovative Fluid Dynamic Bearing delivers longer life span, higher precision rotation and anti-shock function. Duo Mode Operation - The Shark fan operates in both Power mode (12V) and Silence mode (7V - with adaptation of Voltage reduction cable). All cables are black sleeved.AeroCool EN55505 Shark Fan 12cm - This 120mm case fan from AeroCool features a unique "Shark Fin" blade design and four white LEDs. The included 7V low noise adapter and silicone mounting pins give you silent cooling with this low noise 120mm cooling fan. The fifteen fan blades generate high air pressure and airflow.