Cooler Master developed a new fan can produce a large airflow for a very low noise, the new model number is R4 TMBB-08FK-R0. This new fan go through as the High Air Flow Turbine Master and can be substituted for the regular 120mm fans inside the computer case or CPU cooler.The new Turbine fan Master has a round frame that ensures optimal air flow and also has a powerful motor that rotates 16 fan blades for increased air at low speed.