Drive space: 5.25-inch x 4 (hidden) 3.5-inch x 2 (hidden) 3.5-inch x 6 (hidden) Fan space: 2 x 8cm fans in the front 1 x 8cm fan in the side 1 x 8cm fan in the rear Expansion slot: 7 slots With transparent side panel With LED light in the front panel I/O ports: Two USB 2.0 ports Microphone in port Speaker out port Compatible motherboards: standard ATX, micro ATX, extended ATX No power supply included OEM orders welcome Currency: USD Unit Price: 15 Quantity: 400 Delivery: 30% deposit by tt in advance, then we start the production, 20 days after that we delivery the goods. 10 days before the ship arrive in your country, you pay the balance, then we delivery the original B/L and commerical invoice and packinglist to you to clear the custom and get your goods.Our mini order is one 20 feet container.(about 400pcs) Each model should be 100pcs