Axial-tech fans scaled up for 31% more airflow.3.15-slot design: massive fin array optimized for airflow from the three Axial-tech fans.Diecast shroud, frame, and backplate add rigidity and are vented to further maximize airflow and heat dissipation.Digital power control with high-current power stages and 15K capacitors to fuel maximum performance.Auto-Extreme precision automated manufacturing for higher reliability.