RGB 120 mm PWM case fan with fluid bearing, 1800 RPM speed and about 42.5 CFM airflow for PC cooling. Fan dimensions are roughly 4.72 in × 4.72 in × 0.98 in, rated power 3.6 W, noise around 21 dBA and an expected life of 50,000 hours; connects via a 4‑pin power interface.