- Front Access USB2.0 x2 - Removable Air Filter - Power and HDD LED - Drive Bays: - External 5.25" Drive x 2 - External 3.5" Drive x 1 - Internal 3.5" Drive x 3 - Motherboard Size: 12 x 9.6 (ATX, microATX) - Expansion Slots: 7 - Cooling Fan: 60mm x 1, 80mm x 1 - Optional Fan: 60mm x1