P7 SILENTElite Performance- Side panels feature sound dampening material to block noise.- The front panel can be disassembled independently, for a neat and simple building experience.Form FactorMid TowerMotherboard SupportATXMicro ATXMini-ITXDrive Bays5.25": 13.5"/2.5" (Convertable): 22.5": 2ExpansionSlots: 7Materials0.6 mm SGCCPlasticSide PanelSound DampeningI/O PanelPowerResetHD AudioMic2 x USB 3.0Cooling SupportFront: 2 x 120mm / 2 x 140mm (1 x 120mm fan inc)Rear: 1 x 120mm (1 x 120mm fan inc)Radiator SupportFront: Up to 280mm (up to 55mm thickness with fan)Rear: Up to 120mmClearanceMotherboard Tray Clearance: 20mmMax GPU Length: 390mmMax CPU Height: 165mmPSU Support: 200mmDust FiltersFrontBottomDimensions ( D x W x H )445 x 210 x 470 mmWeightNet: 5.85 kgsGross: 6.61 kgs