Case size: 4.3L with size 8.8 x 4.1 x 7.2in GPU supports: 2-slot mini graphic card, no longer than 6.7in and no wider than 1.6in Motherboard: compatible with only 6.7 x 6.7in mini-itx motherboard Power supply: supports only Flex PSU with size 5.9 x 3.2 x 1.6in SSD and CPU cooler height: supports 2 x 2.5" SSD and CPU cooler height limits 1.46in