Build and customize your own computer system with this Logisys CS-301BK 10-Bay ATX Case! It features three 5.25-inch external drive bays, one 3.5-inch external drive bay, five 3.5-inch internal drive bays and comes with a 480-watt 20+4-pin power supply. Four front mounted USB 2.0 ports enable you to connect external USB devices and there are also front mounted microphone and headphone jacks! The Logisys CS-301BK is equipped with a 80 mm clear case fan and provides space for mounting a cooling fan on the rear and side panels. Just add the motherboard, CPU, RAM and the rest!