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 [Easy Assembly] - Enjoy the fun of DIY with the simple structure and easy assembling process. [Sturdy and Durable] - Made of high-quality 20x20 aluminum alloy material, ensuring a sturdy and durable case. [Great Heat Dissipation] - The open frame design allows for excellent heat dissipation, keeping your computer cool during operation. [Suitable for DIY Enthusiasts] - Ideal for enthusiasts who love customizing their computers, providing a versatile platform for unique builds. [20x20 Aluminum Alloy] - Crafted with premium 20x20 aluminum alloy, providing a and modern appearance. [Easy Assembly] - Enjoy the fun of DIY with the simple structure and easy assembling process. [Sturdy and Durable] - Made of high-quality 20x20 aluminum alloy material, ensuring a sturdy and durable case. [Great Heat Dissipation] - The open frame design allows for excellent heat dissipation, keeping your computer cool during operation. [Suitable for DIY Enthusiasts] - Ideal for enthusiasts who love customizing their computers, providing a versatile platform for unique builds. [20x20 Aluminum Alloy] - Crafted with premium 20x20 aluminum alloy, providing a and modern appearance.