Antec No Power Supply ATX Mid Tower Case ASK4000E-U3 Black Case Type: Mid Tower M/B Type: Standard ATX External: 3x 5.25", 1x 3.5" Internal: 5x 3.5" HDD Bays Expansion Slots: 7 Cooling System: 1x 120mm Rear Fan, 1x 120mm Front Fan (Fan not included) FrontI/O Panel: 2x USB 3.0 Ports, Audio In and Out Power Supply: None, Top mounted