ANTEC No Power Supply ATX Mid Tower Case, Black GX700 Case Type: ATX Mid Tower, Side Windows: No Material: 0.6mm SECC M/B Type: Standard ATX, MicroATX, Mini-ITX External: 4x 5.25" Tool-less Drive Bays, Internal: 5x 3.5" Tool-less HDD Trays (each with 2.5" SSD/HDD mount) Expansion Slots: 7 Cooling system- Includes 3 fan and 3 additional optional fans Top I/O Panel: 2x USB 3.0 Ports, 2x USB 2.0 Ports, Audio In and Out