Material: 1.2mm SECC Zinc-Coated SteelDimension: 20.8"(D)x19"(W)x5.25"(H)Cooling: 1x60mm fanCooling (Optional): 1x60mm fanDrive Bay External: 5.25"x4 & 3.5"x2Drive Bay Internal: 3.5"x2Support MotherBoard: 12"x10" ATX motherboardExpansion Slots: 7 slotsIndicators: Power on/off, HDD, Fan & AlarmControls: Power on/off, system reset, USB 2.0x2Weight (lbs): 30.00