Notice before purchasing the product: By default, only the computer case shell is sold (without case fan and other accessories, please note) Size: Length * Width * Height=392 * 318 * 186mm Volume 23.1L Motherboard support: motherboards within 305m * 245mm Power support: ATX power supply (limited length within 180mm) Height of radiator: within 72mm Hard drive support: 10*3.5-inch hard drives (with backplane)+2 2.5-inch hard drives PCIE support:7-slot full height PCIE, length within 245mm Fan support:Maximum 3 12025 fans