Fractal design dynamic x2 gp 12 and gp 14 are true all purpose fans offering good airflow and best in class 100 000 hours mtbf thanks to the new lls bearing their customized design creates a beautifully aesthetic fan to help keep your system cool yet quiet designed together with our high end venturi series the dynamic x2 series fans feature aerodynamic elements similarly found in airplane wing designs with significant noise reducing elements available in two color combinations pure blac