TechPowerUp checked out the Phanteks T30-120 Fan
A quote from the article:
Phanteks' take on the ultimate PC fan is finally out! The T30-120 is a 30-mm thick fan that has a feature set to make many others blush, including the use of LCP blades and frames, Sunon's magnetic levitation bearing, three operating modes for different use cases, and fantastic performance throughout.Phanteks T30-120 Fan Review