Motherboard ATX, μATX Drive Bays 5.25" external: 2/1* 3.5" external: 0/1* 3.5" internal: 6 Front Connectors USB 3.0: 1 USB 2.0: 1 Microphone: 1 Headphone: 1 Cooling System Front: 1x 80, 92 or 120mm Rear: 1x 80mm Side: 2x 120mm or 1x 140mm Packing Units Shipping Unti: 1 Piece Scope of Delivery Screw Set Speaker 5.25" to external 3.5" panel Slot Bracket