Welcome to our store! Excellent Heat Dissipation: The open chassis design maximizes heat dissipation, freeing up internal space. Modular Hardware Structure: The modular design provides ample internal installation space. Enjoy DIY: The open-frame design is easy to assemble and disassemble, perfect for DIY enthusiasts. Strong Compatibility: Supports ATX, M-ATX, and ITX motherboards; standard ATX power supplies; expansion for 1 x 3.5", 1 x 2.5" hard drives; and 7 PCI expansion slots. Premium Material: Constructed from durable aluminum for long-lasting stability. Item Type: Open Computer Case Material: Aluminum Model: PC JMK5 Applicable Motherboards: ATX, M-ATX, ITX Power Supply Design: Standard ATX Heat Dissipation Performance: Full Open-Air Cooling Hard Drive Storage Expansion Support: 1 x 3.5", 1 x 2.5" PCI Expansion Slots Supported: 7 Switch Interface: Power, reset buttons, and indicator light Assembled Frame Size: L300 x W246 x H353mm Package Includes: 9 x Mounting Brackets 1 x User Manual 1 x Positioning Paper 3 x Black Frames 2 x Acrylic Panels 2 x Gloves 1 x Power Cord 1 x Nut 2 x Hex Wrenches 1 x Accessory Box 16 x Accessory Packets Customer satisfaction is our top priority. If you encounter any issues with your product upon receipt, such as damage or incorrect quantity, please contact us immediately. We strive to provide the best after-sales service.