MSI MAG Forge 100R chassis can support up to ATX motherboard, side panel of 4mm tempered glass, up to 140 mm RGB fan, reserved cooling space and front USB 3.2 Gen 1 Type A Optimize Airflow ARGB Fan included 4mm Tempered Glass 330 mm Radiator Support 160 mm CPU Cooler Support OPTIMIZED AIR FLOWTwo 120mm fans aligned vertically on the front to draw in air evenly across the entire face of the enclosure. That will contribute to positive air pressure within the case, the rising warm air will always be exhausted with the rear and top airflow from the MAG Forge 100 Series.READY FOR OPTIMIZED MOTHERBOARDDesigned with multiple easy installation mechanisms and accommodated an up to ATX motherboard to provide an unhindered building experience.TOOL-LESS TEMPERED GLASSThe light gray tone of 4mm tempered glass side panel is ideal for displaying RGB lighting effects and provides clear internal component construction.The Forge 100 Seriesthoughtful case design allows users to install/remove the tempe