Cooler Master Turbine Master Mach 1.8 120mm Barometric Ball Bearing Case for Fan-R4 TMBB 18 FK R0 The innovative Barometric Ball Bearing technology provides longer life span while remaining lower noise level up to 100,00 hours Removable blades for quick and easy cleanup Outstanding 16-blade design covers maximum area to generate striking airflow, even under low speed operation 80.3 CFM at 1800 R.P.M. (1.96mmH2O)  10% 6W max (12 V DC) Connector type (3pin)Comes with rubber screw x4, metal screw x4, rubber pad x4, molex-to3 pin adapter x1