Open frame computer case: The split hardware structure is adopted and the open structure provides you with a large internal installation space DIY ITX MATX ATX computer box: Bare block frame, easy to disassemble, easy to assemble, stackable, fully experience the fun of DIY ATX/M-ATX/ITX motherboard enclosure: ATX support, M ATX, ITX motherboard, power supply supports ATX ordinary large power supply, 1 x 3.5 expansion support, 1 x 2.5 inch hard drive storage, support 7 PCI expansion slots