What are the characteristics of atx form factor?

The ATX (Advanced Technology eXtended) form factor is characterized by its standardized dimensions of 305 mm x 244 mm (12 in x 9.6 in), which allows for organized layout and compatibility with a wide range of components. It features multiple expansion slots, typically including PCIe, and has a designated area for mounting the motherboard, power supply, and cooling systems. Additionally, ATX cases provide improved airflow and cable management options, contributing to better thermal performance. The design also allows for easy access to ports and connectors, enhancing usability and functionality.