Cooler Master ELITE 330. Form factor: Midi-Tower, Type: PC, Supported motherboard form factors: ATX, ATX, Micro-ATX. Power supply: 0W. Width: 18.9 cm, Depth: 48.5 cm, Height: 42.5 cm. Internal drive bays: 6 x 3, 5", External drive bays: 4 x 5.25" 1 x 3.5"