Welcome to the store! 1. Excellent Heat Dissipation: The open chassis design is more conducive to air circulation, helps with heat dissipation of various hardware, and fully releases the internal space of the chassis. 2. Ample Space: The ITX computer open case provides you with a huge internal installation space, and the split hardware structure allows every millimeter to make the most of it. 3. Strong Compatibility: Supports ITX motherboards (17x17cm), the power supply supports ATX ordinary large power supplies, supports expansion of a hard disk storage (3.5 or 2.5 inches can be installed), and supports two PCI expansion slots. 4. Easy to Assemble: The computer open case is a bare block frame, light and easy to disassemble, stackable, easy to assemble, simple in structure, and you can fully experience the fun of DIY. 5. Open Design: The aluminum DIY naked frame breaks the shackles of traditional chassis structure, further expands the internal space of the chassis, and has a higher degree of freedom in the open structure. Item Type: ITX Computer Open Case Bracket Material: Aluminum Alloy Applicable Motherboard: ITX Motherboard (Approx. 17 x 17 cm / 6.7 x 6.7in) Applicable Power Supply: ATX Ordinary Large Power Supply Support Hard Drive Bay Expansion: 1 (3.5 or 2.5 inches can be installed) Support PCI Expansion Slot: 2 Switch Interface: Start, Restart Switch and Indicator Light Bottom Frame Size After Assembly: L315 x W210mm 5 x Aluminum Alloy Bracket 1 x User Manual 2 x Paper 4 x Foot Pad 1 x Power Cord 2 x Support Rod 7 x Right Angle Connection Plate 2 x Screw 2 x Gasket 5 x Acrylic Connection Board 4 x Black Protective Sheet 2 x Gloves 1 x 01 Accessory Package 1 x 02/03 Accessory Package 1 x 04 Accessory Package 1 x 05 Accessory Package 1 x 06 Accessory Package 1 x 07 Accessory Package 1 x 08 Accessory Package 1 x 09 Accessory Package Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!