Antec df800 flux features motherboard support: atx, micro-atx, mini-itx 2.5" ssds: 3 3.5" removable hdds / 2.5" ssds (compatible): 3/2 max gpu length: 405mm (supports high-end vga, e.g. msi geforce, asus rog) max cpu cooler height: 175 mm (supports high-end cpu cooler, e.g. noctua nh-u12a)