COOLER MASTER Case Fan Mobius 120 Non LED Black

The Cooler Master Mobius 120 is a 120 mm case fan engineered for stable, efficient cooling at up to 2050 RPM. Featuring the Ring Blade Design and Loop Dynamic Bearing with oil reflow and dustproof sealing, the Mobius 120 focuses on balanced airflow, reduced vibration and extended service life while maintaining a compact black finish suitable for most PC builds.

Advantages

Interconnected Ring Blade Design reinforces the blade structure to minimize vibration and ensure smooth operation. The Loop Dynamic Bearing with oil reflow provides continuous lubrication to reduce friction and extend lifespan, while dustproof sealing and an anti-sway magnetic ring stabilize the shaft and prevent tilting or oil spray. An angled inner frame rim with chamfered side vents accelerates intake airflow and increases air pressure for improved cooling performance. Acoustic tuning and testing in an anechoic chamber target low noise output, keeping sound levels minimal without sacrificing airflow.

Suitable for

• Case ventilation and chassis air intake
• Air cooling for CPU or GPU enclosures
• Supporting airflow in liquid-cooling radiators (non-ARGB, standard 120 mm use)
• Replacement or upgrade of standard 120 mm system fans

Key specifications

• Type: Fan
• Fan diameter: 120 mm
• Maximum speed: 2050 RPM
• Maximum air pressure: 2.69 mmH2O
• Colour: Black
• Brand: Cooler Master
• MPN: MFZ-M2NN-21NPK-R1
• EAN: 4719512126790

How to use

Install the Mobius 120 into a standard 120 mm fan mount in your case or radiator using the supplied screws. Observe airflow direction indicated on the fan frame when positioning for intake or exhaust. Connect to a compatible fan header on the motherboard or to a fan controller, ensuring correct voltage/RPM control. For optimal performance, ensure unobstructed airflow paths and secure mounting to minimize vibrations transmitted to the chassis.

Recommendations

For quieter operation, run the fan at lower RPM settings via motherboard fan curves or a controller; increase speed selectively under higher thermal load. Periodically check and clean around the sealed bearing and fan blades to maintain airflow and prolong service life.