Fan Support - Front : 3 x 120mm / 3 x 140mm - Top : 3 x 120mm / 3 x 140mm - Power Supply Shroud : 3 x 120mm - Bottom : 2 x 120mm / 2 x 140mm - Rear : 1 x 120mm / 1 x 140mm - Included Fan(s) : 3 x 140mm Tranquil PWM fans in front + 2 x 120mm P12R PWM reverse fans on PSU shroud + 1 x 140mm Tranquil PWM fan in rear