AeroCool Xpredator-X1 Black Edition Mid Tower Case with USB 3.0 High-performance 0.5mm SECC Mid Tower case designed for DIY enthusiasts and heavy-duty gamers Top panel flaps can be opened or closed to control air flow more efficiently Superb Airflow design with easy adjust top flap air vent and can install up to 12 fans Includes a fan controller knob controls fans up to 25W 2 x USB3.0 or 2 x USB2.0 and AudioMic ports are easily accessible from top panel