We39ve engineered the carbide clear 400c to pack all the performance and expandability you need into a beautifully compact case design put your components on display through the gorgeous full size window panel that opens with a touch and keep it all running cool and quiet with direct airflow technology with a one touch side panel tool free drive installation and three point dust filter access 400c is easy to build and even easier to keep clean you39ll spend less time on setup and maintenan