Aer RGB 2 140mm Twin Starter Pack Features: Connect up to five fans per channel Mix-and-match with any RGB Lighting & Fan Control accessory NZXT CAM-powered for seamless software control and nearly infinite customization Uniquely shaped, custom engineered light guide creates stunning visual effects with uniform light dispersion Daisy chain and group fans together for additional lighting effects PWM fan with optimized cooling and whisper-low 22 dBA Fluid dynamic bearing engineered to last over six years Specifications: Dimensions Height 140mm Width 140mm Depth 26mm Cooling Speed 500 - 1,500 ± 300RPM Airflow 30.39 - 91.19 CFM Static Pressure 0.17 - 1.52 mm-H₂O Noise 22 - 33 dBA Fan Life Hours 60,000 or Years 6 Warranty 2 years System Requirement PC with RGB lighting controller and Windows® 10