The All-New R33K Hemicycle High-Airflow Cooling Fan (30mm) 

Engineered for uncompromising performance, the R33K series introduces a revolutionary hemicycle design paired with premium materials to set a new benchmark in compact cooling.

Key Features
Aviation-Grade Construction: Precision-machined from ultra-strong 7075 aluminum for maximum durability and heat resistance.

Featherweight Metal Design: Adds only ~0.2g compared to standard plastic fans, delivering the toughness of metal without the weight penalty.

Optimized Side Ventilation: Integrated side-slot channels boost exhaust thrust and airflow efficiency for superior cooling dynamics.

Extreme RPM Power: Spins at a blistering 33,000 RPM, rivaling the cooling capacity of larger 40mm fans.

Magnetic Field Stability: High-magnetism core ensures interference-free operation even when mounted near powerful brushless motors.

Universal Fit: Dual-hole mounting system guarantees seamless compatibility with all standard 30mm fan footprints