1Good Heat Dissipation: The open chassis design is more conducive to air circulation, is conducive to the heat dissipation of various hardware, and fully releases the internal space of the chassis. 2Right Space: The ATX computer open case bracket gives you a huge interior installation space, and the split hardware construction makes every millimeter make the most of it. 3Strong Compatibility: Support ITX motherboard (305 x 244mm), power supply supports ATX ordinary large power supply, support expansion of a hard disk storage (5 or 5 inches can be installed), support 4 PCI expansion slots. 4Easy to Assemble: The computer open case bracket is a bare block frame, light and easy to disassemble, stackable, easy to assemble, simple in structure, you can fully experience the fun of DIY. 5Open Design: Aluminum DIY bare frame breaks the shackles of traditional chassis structure, further expands the internal space of the chassis, and has a higher degree of free in the open structure.