NZXT RF-AR140-C1 Hue+ & Aer RGB140 Fans Bundle Pack RGB 2x 140mm Aer Fans Included Brand NZXT Power Connector Type 4-Pin Voltage 12 Volts Cooling Method Fan Noise Level 31 dB Maximum Rotational Speed 1500 RPM About this item Hue+ and CAM compatible for seamless software controls and customizations Daisy chain and group fans together for additional lighting effects PWM fan with optimized cooling and whisperlow 22 dba Fan speed: 5001,500 rpm; Fan connector: 4 pin PWM