The thought of an 80mm fan scares most. Stereotypically they're regarded as noisy, offer poor airflow and are a waste of space. However, when we suddenly mention 92mm or 120mm fans, our view on these fans becomes rather opposite. So, what about trying to squeeze a 92mm fan blade into a standard 80mm fitting fan? Well that's what cooling specialists Evercool have done. Introducing the Evercool Rifling fan.