The external unit is an aluminum framework meshed on all sides and equipped with two handles:

On seeing this unit for the first time, some people would inquire who made this barebone. Well, this box really has the shape and size of a typical barebone system. The similarity is even stronger at work?/p>

…because the front-side fan is highlighted:

It looks just like an element of the cooling system of the “barebone?

The whole arrangement isn’t as small as to fit under your arm, so the handles are quite appropriate:

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On the back panel, there is a fan-speed controller, fittings for the pipes, and a power cable connector.

You have to adjust the fan speed “by ear?because the Tribe lacks any monitoring. Well, you can add it yourself, if you’ve got the skills necessary.

The additional hole in the bracket?/p>

…seems to imply that there can be at least two fan-speed controllers, so the system’s functionality may be extended.