Thermaltake riing Green 14 case fan / radiator fan is optimized for looking cool and keeping your system cool. 140mm fans with a very cool Green LED Ring that is optimized for high static pressure. This 140 mm fan is built on high quality hydraulic bearings that make it silent and the mountings are optimized for anti-vibration so you get awesome cooling power and almost no noise. You have to see the ring light up to truly appreciate how cool it really is. Riing 14 Series Green LED. Thermaltake has released the Riing 14 LED Series, a 140mm fan fitted to enhance static pressure that produces impressive cooling performance with an optimized fan blade. Hydraulic bearings for silent operation guarantee ultra-low noise. In addition, an anti-vibration mounting system strengthens the stability during operation. The patented LED Ring maintains color and brightness uniformity; the lighting effect is visible from all sides and angles.