A tower computer case will hold your computer components together and protect them. If you plan to build your own machine, you need to put some thought into the size and functionality of the case. Some tower computer cases are designed for gaming while others have less robust specifications. Some include fans to cool parts down, and some can support liquid cooling systems. Tower computer cases typically include multiple ports and expansion slots, and it’s important to ensure you get the ones you need for your system. A tower computer case should have plenty of room for components to be inserted and moved around, and they should be easy to access. There also needs to be adequate airflow, particularly for gaming computers.