PWM Fan TL-C12B-S V2; The light connections are 5V 3pin ARGB.Standard size industrial grade PWM performance PC fan: 120x120x25mm (4.92×4.92×0.98 inches); Fan speed (RPM): 1500rpm10%; Power port: 4-pin; Voltage: 12V; Air flow: 66.17CFM (max); Noise level 25.6dB(A), high performance fan combined with efficient heat dissipation The cooling body of the unit gives you the best cooling effect.