Case Type: Mini-ITX Tower, Side Windows: No * Material: Steel, Plastic * M/B Type: Mini-ITX * External: 1x 5.25 Inches, Internal: 5x 3.5 Inches (3+2 modular), 9x 2.5 Inches * Expansion Slots: 2x PCI Slots * Fan: 5, 120mm * Front I/O Panel: 2x USB 3.0 Ports, HD Audio