XSPC RGB Series 2 PWM 5V 3-Pin ARGB 120 mm Case Fan - Black. XSPC RGB Series 2, PWM 800-2200RPM 5V 3Pin aRGB 120 mm Fan. The fan features a unique dual ring design to aid visual appeal (front and back), and has frozen white blades, allowing the RGB to penetrate and spread the light for an even stronger effect.