Designing an effective internal cooling system for an arcade machine is crucial to ensure longevity and optimal performance. The key factors include:

1. Airflow Management: Proper ventilation is essential. Strategically placed intake and exhaust fans create a steady airflow to dissipate heat from critical components like the CPU, GPU, and power supply.

2. Component Placement: Heat-generating parts should be spaced apart to prevent localized overheating. Placing them near ventilation points enhances cooling efficiency.

3. Heat Sinks and Thermal Paste: High-quality heat sinks and thermal paste help transfer heat away from sensitive electronics, reducing the risk of thermal throttling.

4. Dust Filtration: Dust buildup can obstruct airflow. Incorporating dust filters ensures cleaner air circulation and reduces maintenance needs.

5. Temperature Monitoring: Installing sensors to track internal temperatures allows for proactive adjustments, preventing overheating during extended gameplay sessions.

By addressing these factors, arcade machine designers can create a robust cooling system that enhances reliability and extends hardware lifespan.