While the 16 Parallella can run with just passive cooling, you still need to ensure proper airflow over the unit. Units have been known to overheat with just p

While the 16 Parallella can run with just passive cooling, you still need to ensure proper airflow over the unit. Units have been known to overheat with just passive cooling, and they even advise that you install a fan with the official case (that they sell on their store/provided to backers), even though there is nowhere to screw a fan in, etc. Cases and Cooling: http://www.parallella.org/2014/04/30/cases-and-cooling/ http://www.parallella.org/2014/04/30/cases-and-cooling/ (parallella.org) April 30, 2014 The point that a cluster of parallellas is relatively easy to cool is definitely aided by the form factor.