With Power Supply: No Power Supply Mounted: Bottom With Side Panel Window: No External 5.25" Drive Bays: 3 External 3.5" Drive Bays: No Internal 3.5" Drive Bays: 4 x 3.5" with 2.5" compatibility Front Ports: USB 3.0 x 2, Headphone x 1, Mic x 1 Side Air duct: No