Motherboard Support: ATX , Micro-ATX, Mini-ITX 2.5” SSDs: 3 3.5” removable HDDs / 2.5” SSDs (Compatible): 3/2 Max GPU Length: 405 mm (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) Max PSU Length: 205 mm