With Power Supply: No Power Supply Mounted: Bottom With Side Panel Window: No External 5.25" Drive Bays: 5/6 External 3.5" Drive Bays: 1/0 Internal 3.5" Drive Bays: 6 Front Ports: 2 x USB 3.0 (internal 20-pin connector to MB) 1 x e-SATA 2 x USB 2.0 Audio In/Out (AC97, HD) 2 x Fan speed control knob Side Air duct: No