Rosewill MicroATX Mid Tower Computer Case with One 120mm Fan and 450W Power Supply R218-P-BK-450W The Rosewill R218-P-BK-450W features four external 5.25" drive bays, and five 3.5" drive bays (1 external and 4 internal) for superior expandability The Rosewill R218-P-BK-450W features one 120mm rear fan, side air duct and video card vent for efficient ventilation and effective system cooling The Rosewill R218-P-BK-450W is equipped with a powerful 450W power supply unit to handle typical system power consumption