> Are there any modules that are too deep for the portable or monster
> case I remember hearing something about maybe the A126.
>
> Thanks.

The only limitation for portable or monster cases is that you cannot mount
deeper modules above the power supplies. These modules have to be mounted in
areas without supplies. The situation for the monster base is different. The
max. depth of the horizontally assembled modules is ~ 70 mm. You find the
depth of each module on the module info page or in the Excel file.

Best wishes
Dieter Doepfer