Thermaltake Riing 12 High Static Pressure Circular Ring Red LED Case/Radiator Fan with Anti-Vibration Mounting System Triple Pack Cooling CL-F055-PL12RE-A Patented LED ring Concentrated compression blades (CCB) is engineered to focus the inner weaker circle of Air outwards, allowing the outer section to pressurize and compress the Air. Hydraulic Bearing/Low-Noise design lowers operating noise and improves efficiency. The Low-Noise cable can reduce the noise level by 24% from 24.6dBA to 18.7dBA. Anti-vibration mounting system equipped with In-mold injection anti-vibration rubber pads provide Hassle-Free usage for 80% protection coverage, including all four corners. 2 year Warranty