Fractal Aspect 14 PWM Key Features PC Case Fan 1 x 140mm Rifle Bearing Fan Trip Wire Technology Low Noise and Turbulence 2-Year Warranty with Fractal Overview The Fractal Design Aspect 14 PWM fan delivers high quality design and construction. Offering a leading performance fan with the highest quality aesthetics you can find. Aspect fans use trip wire technology to ensure the highest efficiency from the blades, while also allowing you to connect multiple fans together using the chain feature. With expertly engineered elements that contribute to a low noise yet a maximum performing solid fan, and full control with PWM, you cannot go wrong with the Aspect 14. Specifications Form Factor PC Case Fan No. Of Fans 1 x 140mm Fan Dimensions 140 x 140 x 25 mm Fan Speed 500-1700 RPM Fan Bearing Rifle Bearing Lighting None