Fans come in all different shapes and sizes, and what started as a pretty common design quickly transformed into a technical art used to create specialized fans for special purposes. Some fans are designed to cool heatsinks and direct airflow over a certain area, while others might be simple case fans designed to move massive amounts of air.
Cooler Master Excalibur Case Fan Review @ Ninjalane
Cooler Master Excalibur Case Fan Review @ Ninjalane