JONSBO X400PRO ATX Case,Back-connect Desktop Case- Mid tower case structure:AL framework design,incorporating the style of e-sports game mecha,glass for double-glazed sea-view CNC Aluminum front panel IO Simple White Power Indicator Light Enhances Gaming Atmosphere Mainboard auxiliary wind cooling system(Patent design):You can install a 12CM fan in rear to direct airflow into the MB compartment Supports ATX/M-ATX back-connect motherboards, providing a more concise internal hardware visual environment The computer case supports vertical GPU installation for GPU lighting effects display Note:The vertical GPU installation mode requires purchasing a GPU conversion bracket and PCI-E extension cable separately Cooling system:13 fan positions Dual-sided panel anti-fall hover design Tool-free open:Top cover, panel and bottom plate are also tool-free snap-on/snap-off designs, enhancing the convenience of installation and maintenance Product Parameters Model No.:X400PRO Case material: AL & SPCC