Large quiet 200 mm fan with blue aerodynamically optimized fan blades and low profile design led lighting features 200mm fan with large fans blades for more air flow and reduced noise aerodynamic fan blade design 3 pin to 4 pin connector quad blue leds sleeve bearing specification led blue hole spacing 155 mm material plastic fan blades color blue weight 156 g noise level 18 db a speed 800 r min air flow volume 1285 msup3 h air pressure 036 mm h2o power consum