We review the Cooler Master Silencio 650. With silent PCs becoming more important Cooler Master started designing a new Silencio chassis that's totally up-to snuff with the 2012 standards, requirements and features -- and then some more as hey .. it's Cooler Master and they are know for creative ideas and solutions inside any chassis. As such the Silencio 650 as shown comes with cable routing, all black interior and an extra retaining hole, sound dampening materials but also a fan controller, and get this a dual boot HDD switch. Yep, you can now switch in-between two HDDs. We'll explain later though.