COOLER MASTER Mobius Series of fans are optimized with enhancements of interconnecting fan blades to fine-tuned sound output. Devices deliver balance of quiet operation and enhanced cooling capabilities. Product’s Ring Blade Design utilizes interconnecting fan blades for structural reinforcement and fan performance, eliminating vibration for even more stability. The angled inner frame rim features chamfered side vents to boost airflow with force induced pressure draw for maximum airflow. The sound output has been fine tuned to sub 6dB prominence noise levels for optimal acoustics without performance sacrifice. Interconnecting fan blades fortify fan running operation for steady rotation and targeted airflow. New loop dynamic bearing design reflows oil return to the bearings for consistent lubrication for unhindered fan performance and lifespan.