The Cooler Master Mobius 120 OC is a premium 120mm case fan designed for high-performance cooling with minimal noise. Featuring a ring blade design, it ensures consistent airflow and reduced turbulence. Its dual ball bearing construction enhances durability, while the PWM capability allows precise speed control (650-2,400 RPM). The fan delivers up to 75.2 CFM of airflow with a max noise level of 22.6 dBA. It's perfect for PC builders seeking efficient, quiet, and reliable cooling.