Patented Damping Frame Design - Absorbs unwanted vibration while maintaining its Chassis stiffness to ensure maximum performance. Double Ball-Bearings - Less friction means better performance and longevity. It will ensure a quiet yet high performance operation. Inter-Connecting Fan Blades - An Connected frame between the Fan-Blades Increase Airflow performance, while decreasing noise and flex between the blade while it operates, this will further increase the fans performance. Anti-vibration Motor and Pads - Motor equipped with new anti-vibration structure that lowers the noise level and vibration. Rubber pads to absorb vibration for a silent performance. Improved Cable Management - Detachable fan cable that can be changed into a multi fan cable which is included