Thermaltake Luna 140mm Silent Fan Cooling CL-F021-PL14BU-A Blue LED Anti-vibration mounting system Long-life bearing Higher Air Inflow, less noise Unique fan blade design Anti-vibration Mounting System In-mold injection anti-vibration rubber pads provide hassle-free usage for 80% protection coverage, including all four corners and the frame. Long-life Bearing With better stiffness, long-life sleeve bearings are suitable for moderate- to high-speed applications, offering enhanced reliability and extended life spans. Higher Air Inflow, Less Noise Enlarged fan frame opening enhances inflow with a fan speed of up to 1000 rpm. The fan delivers exceptional airflow at a low noise level of 21.8 dBA. Unique Fan Blade Design Double-curved fan blades provide higher air pressure but generate less noise. Unlike the Luna 12, which has only seven fan blades, the Luna 14 has a nine-blade fan design