be quiet! Silent Wings 4 PWM High Speed Black Fan, 120mm, 2500RPM, 4-Pin PWM Fan Connector, Black Frame, Black Blades, Optimized Fan Blades for High End Performance, 2 Mounting Options

be quiet! Pure Base 501 Case, Black, Mid Tower, 2 x USB Type-A, 1 x USB Type-C, 2 x Pure Wings 2 140mm Black PWM Fans Included, Exchangeable Top Cover for Silent or High Performance, Insulation Mats on Front, Sides & Top