Excellent, that's what I thought...more or less.
At the moment, this Intellijel 4U/104 case has six Mannequins modules, the Ansible, and just a few 1U modules. I checked the specs on the Mannequins modules and there is no spec at all for the +5V bus, so can I assume that that means they consume no power on that bus?
Sorry if that's a Modular 101 question.
Great note about the PSUs and noise. I have sometimes noticed a faint high pitched whine/hiss, that sometimes seems to switch when I change config modes.
All of this will eventually end up in a forthcoming -isms case, assuming they all fit.