Silent Series R2 Blackout Edition 140mm Fan - New ALL-BLACK Blackout Edition Silent Series R2 Fans! These fans have been specifically developed to deliver significant airflow while maintaining low noise levels. Silent Series R2 Blackout Edition fans are available in 120mm and 140mm sizes. All new Silent Series R2 Blackout Edition fans are equipped with high performance hydraulic bearings, increasing both fan performance and reliability. Each fan is packaged with both 4 metal screws and 4 rubber screws to ensure maximum fan-mounting options. Using the rubber screws allows mechanical decoupling from the case itself, reducing vibrations and decreasing the noise level. The cable on each Silent Series R2 Blackout Edition fan is fully sleeved for effortless cable routing and enhanced aesthetics.