atx motherboard can be installed normally standard atx large motherboard, intend to CPU with what, if it is i5 7500, you can choose to use the set of products sold in the case you can look at the first horse tank, side penetration, support for large motherboards, 240 water-cooling, 420 mm long graphics card, 160 mm height air-cooled (such as the Xuan Ice 400, the Great Frost Tower).