1You can fully enjoy the fun of DIY with the easy assembling of the simple structure. 2Made of high-quality 20x20 aluminum alloy material, sturdy and durable, and supports for ATX ordinary large power supply. 3Nude building blocks frame, lightweight and easy to install and disassemble, which can be stacked. 4It adopts high specification craft, precise hole position, convenient for install. 5Open frame design, with good heat dissipation performance, bringing great using experience. Item Type: Computer CaseCase Style: Bare building blocks frameApplicable Mainboard: For ITX (17x17cm/6.7x6.7in)Power: ATX ordinary large power supplyHeat Dissipation: BareAssembly: DIYExtended Hard Disk Position: 1 (3.5in or 2.5in)PCI Extended Card Slot: 2 Switch Interface: Start/restart switch and indicator lightMaterial: 20x20 Aluminum Alloy/Acrylic AccessoriesAssembled Size: Approx. 315x210x154mm/12.4x8.3x6.1in.w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid000;};.w-e-text table,.wang-edit-text table{border: 1px solid000important;}5 x Black Brackets1 Box of Auxiliary Tool1 Box of Screw1 x Installation Instruction1 x Accessories Instruction