Geometric Future Squama 2503R Reverse Blade RGB PWM Fan - 140mm - 3 Pack - Performance & Silent Balance - Dual Lighting Loop - 5V 3pin addressable RGB - 4pin PWM - Black(GEO-S2503RB-14T)

Reversed blade that can act as an intake fan with the front view Performance & Silent Balance : Design combines performance and quiet, ideal both as a case fan and for CPU coolers, water-cooling radiator, 91.15CFM, 2.63 mm H2O, 4-pin PWM, max. 34 dB(A) Squama particle Patent: Squama particle on the frame, reducing turbulent flow noise increase airflow and pressure efficiency PWM : 4-pin PWM controlled fan speed from 800 to 2400 rpm, with excellent balance of performance and quietness. ARGB Dual Light Loop : The dual light ring equips Addressable RGB LEDs can synchronize lighting with motherboard, lighting effects are individually customizable.