The obsidian 450d is the ideal blend of solid refined good looks and high performance cooling in front of the two af140l intake fans is an easily removed aluminum mesh dust filter that provides extraordinary airflow directly to your graphics cards and cpu cooler on top of the case is room for up to a 360mm radiator a rarity in mid towers of course it wouldn39t be a corsair case without well known easy to use features like tool free drive mounts for ssds and 3539 drives optical drives and exc