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Computer cases are enclosures designed to house and protect computer components, providing a crucial role in the overall functionality and aesthetics of a computing system. Constructed from various materials such as metal, plastic, or tempered glass, these cases come in different sizes and form factors, including tower, desktop, and mini-ITX, among others. The primary function of a computer case is to provide a secure housing for the motherboard, central processing unit (CPU), graphics card, power supply, storage devices, and other peripherals. It ensures proper ventilation and cooling, enabling optimal performance and longevity of the components. Some cases come with built-in fans or support for liquid cooling systems, while others feature tool-less designs for easy installation and maintenance. Computer cases can be categorized based on their compatibility with specific motherboard sizes, such as ATX, Micro-ATX, or Mini-ITX, which dictate the dimensions and layout of the case. Additionally, they may include features like removable drive bays, cable management systems, and LED lighting, catering to various user preferences and needs. In summary, computer cases serve as the protective shell for computing components, ensuring proper ventilation, ease of installation, and customization options, making them an essential element in any electronics or computer setup.