ID-COOLING AT-120-K 12cm High-Performance Airflow and Air Pressure Fan 3000 RPM Dual Ball Bearing Computer Case Air and Water Cooling Radiator Fan

Advanced rectifier ring fan blades for uniform and straight airflow

Dense, low-layered flow field characteristics with strong impedance penetration

Superior airflow performance, resistant to back pressure conditions

Precision dual ball bearings with full metal bearing tube and sleeve

Ensures optimal concentricity and minimal radial runout

Central support structure for stability and durability under heavy load

Closed-loop control motor with strong torque and real-time speed feedback compensation

Stable speed regardless of resistance or input voltage fluctuations

Requires motherboard BIOS fan strategy adjustment to PWM control