The NB-BlackSilentPro-series was developed in close cooperation with the Hardwareluxx Community. Leading technology combined user wishes made the production of this extraordinary series possible. Furthermore, it excels with its high quality components in a classic design. New position invariant magnetic bearing, excellent NB-EKA-Plus-II drive with very low start voltage, cable management system with pluggable cables, and vibration-free assembly material with sealing frame make a package that goes unrivaled. NB-BlackSilentPro fans stand for top quality fans in a classic design, with a versatile use they are also especially quiet and reliable.