Aer RGB 2 fans deliver optimal airflow and advanced lighting customizations. Connect up to five fans per channel or mix-and-match with any HUE 2 accessory* in any channel and synchronize them using CAM for amazing lighting effects that work in perfect harmony. With fluid dynamic bearings and winglet tips, Aer RGB 2 fans offer enhanced cooling while minimizing noise. Available in two colors. Specifications Manufacturer: NZXT Part #: HF-2814C-DB (Black) / HF-2814C-DW (White) Size: 140 mm Color: Black / White Quantity: Double RPM: 500 - 1500 RPM Airflow: 39 - 91.19 CFM Noise Level: 22 - 33 dB PWM: Yes LED: Addressable RGB Connector: 4-pin PWM + Proprietary RGB Controller: None Static Pressure: 52 mmH₂O UPC: 815671015204 (Black) / 815671016492 (White)