The first high-tech compact fan worldwide with a bionic loop rotor (BionicLoopFan®) comes from Germany.Welcome to the future!- 100% developed in Germany- TÜV-certified sound level specifications = real data- extremely low-noise bionic loop rotor- bionic deep sound fan frame- position-invariant magnetic bearing NB-NanoSLI® 2NEW!- silent NB-EKA P2 Drive NEW!- Bayer® Makrolon® rotor with anti-dust technology- weighted reinforced fibreglass PBT frame- NB cable management with two pluggable connection cables- Perfect results for PC casing, CPU cooling systems and radiator( higher cooling power at same revolution ratel)Includes- 4 fine thread screws and knurled nuts for tool free assembly- 4 NB silicone slics for vibration-free assembly- each 2x 20 and 50 cm connection cable with textile sheath