Pre-installed Front : 3 x 120mm ARGB PSU shroud : 1 x 120mm (Reverse Fan) Rear : 1 x 120mm Support Front : 3 x 120mm/2 x 140mm Top : 3 x 120mm / 2 x 140mm (w/o ODD and w/o ODD bracket) 2 x 120mm / 2 x 140mm (w/o ODD but with ODD bracket) 2 x 120mm / 1 x 140mm(When ODD is installed) Power Supply Shroud : 2 x 120mm Rear : 1 x 120mm