In this guide‚ we'll show you how to set up PC fans‚ and take you through the principles of PC airflow and cooling. From knowing which way round to mount your fans‚ to where you should put the radiator for your AIO cooler‚ airflow is the most critical consideration when building your PC. If your components get too hot‚ they can often throttle‚ resulting in slower performance‚ and even shortened lifespans. Thankfully‚ ensuring that your case has good airflow is relatively simple‚ especially if you use one of the best PC fan models from the likes of a reputable manufacturer such as Corsair or Fractal Design. As long as there's a decent passage of air traveling across your rig‚ you can generally deal with the heat dumped into your case by your graphic card and CPU cooler. Continue reading PC airflow 101 – how to set up your case fans MORE FROM PCGAMESN: Best graphics card‚ Best gaming PC‚ Best SSD for gaming