The Light Wings LX 140mm PWM boasts optimized fan blades and an illuminated impeller for great performance and lighting. Illuminated hub and frosted fan blades for unmistakable lighting effects that visually upgrade every PC system Multiple colors and modes for an individual look thanks to 16 LEDs 7 optimized fan blades with perfect angle for extraordinary air pressure ARGB connection cable with daisy chain option Low starting rpm for very quiet operation Long life rifle-bearing gives an operating lifetime of 60,000 hours 3-year manufacturers warranty Lots of illumination possibilities 16 LEDs are located inside the hub of the impeller of the Light Wings LX 140mm PWM and shine outwards onto the frosted fan blades. This creates an unmistakable look and enables you to express your creativity. Optimized fan blades and frame Light Wings LX 140mm PWM features a fan frame outlet that minimizes air leaks. In addition, the fan blades are optimized for maximum airflow, making this fan the best-in-class choice for virtually any case configuration.  One connector for all your Light Wings LX fans The ARGB connection cable comes with an input and an output connector. The input can be used to connect the fan to your motherboard or to an ARGB controller, but also to daisy-chain it with the output connector of other Light Wings LX fans. Makes Light Wings LX a long-lasting companion Light Wings LX 140mm PWM is built to last. With the proven rifle bearing technology, on average, this fan offers a lifespan of 60,000 hours.