Feature: 1. You can fully enjoy the fun of DIY with the easy assembling of the simple structure. 2. Made of high-quality 20x20 aluminum alloy material, sturdy and durable, and supports for ATX ordinary large power supply. 3. Nude building blocks frame, lightweight and easy to install and disassemble, which can be stacked. 4. It adopts high specification craft, precise hole position, convenient for install. 5. Open frame design, with good heat dissipation performance, bringing great using experience. Specification: Item Type: Computer Case Case Style: Bare building blocks frame Applicable Mainboard: For ITX (17x17cm/6.7x6.7in) Power: ATX ordinary large power supply Heat Dissipation: Bare Assembly: DIY Extended Hard Disk Position: 1 (3.5in or 2.5in) PCI Extended Card Slot: 2 Switch Interface: Start/restart switch and indicator light Material: 20x20 Aluminum Alloy/Acrylic Accessories Assembled Size: Approx. 315x210x154mm/12.4x8.3x6.1in Package List: 5 x Black Brackets1 Box of Auxiliary Tool1 Box of Screw1 x Installation Instruction1 x Accessories Instruction