The corsair hd140 rgb led high performance pc case fans combine excellent air delivery with individually controlled rgb led lighting by utilizing ultra thin fan blades and pwm control the hd140 rgb led fans are custom designed to deliver air directly to high temperature components with less noise and turbulence than ordinary fans under control of an intuitive three button controller the 12 independent rgb leds and 7 unique lighting modes ensures a wide array of customization and vivid li