The obsidian series 350d micro atx pc case is designed for building compact high performance systems with micro atx and mini itx motherboards the compact size is ideal if space is limited but thereacirceurotrades plenty of room inside for liquid cpu cooling dual hard drives dual ssds and slicross fire ready like all obsidian cases the 350d is designed for fast and neat builds with tool free access and drive installation smart features like a native 25acirceuro ssd cage make