The R2 series includes a 40mm, 50mm, 60mm, 80mm, 92mm, 120mm, and 140mm version. Speeds range from 4000 RPM for the 40mm fan to 800 RPM for the 140mm device. Both the 120mm and 140mm fans come with a low speed adapter.
All fans include four metal screws and the versions from 60mm and up add an additional four rubber screws to improve the noise level caused by the fan. According to the manufacturer, the R2 fans are built with high performance hydraulic bearings that are designed to enhance performance and reliability.
The company did not release information about pricing and availability of the R2 series.