Gelid Solutions Gelid Wing 8 Uv Blue 80Mm Gamer Fan-2000 Rpm 21 Dba Uv Blue. The WING UV Blue case fans are premium quality, UV reactive, ultra- quiet, dust and water proof cooling fans for gaming enthusiasts.This series features an unique bearing with patented design, winglet fans blades and low starting voltage. Only the highest quality materials have been used to manufacture this state-of-the-art cooling fan. Control the fan RPM speed according to your desire using the supplied voltage regulator. To add to the silence fan mounts replace traditional screws and are made of high quality, ultra-soft silicone which stop vibrations from the fan motor from travelling into your PC case. Nanoflux Bearing (NFB) Patented Nanoflux bearing incorporates a clever magnetic design, very high precision manufacturing and runs friction-free and operates noiseless. Electromagnetic fields are exploited to keep solid parts from touching. The load is carried by a magnetic field. a) Key Features of Nanoflux Bearing (NFB) The Nano-technology composite ensures lowest abrasion and extreme durability (MTTF 100'000 hours).