Ok, so.... two weeks in. Not the best news to report.

At first everything was going A-OK. Then as I started trying to get the sticks back over 600clock I noticed they would only run about 10-15m before throwing errors, and the hub would clearly powercycle.

So I realized the issue quickly after that, which is that my math was bad, and (4 ML2's) * (1.5watts * 4.0 MH/S) = 24+ Watts Power Draw. So in this case at 600 clock speed, and 4mh/s I was already maxing out the power brick. And after checking it, it was MOLTEN hot.

So I contacted Pluggable support, and a very helpful tech there told me that even under the true threshold of the AC Adapter, the components inside the hub are not of a grade that is meant to sustain those high loads for extended periods of time, only temporarily when fast charging a phone or two. So, I monitored the situation closely and by the end of the week I could smell a singed / burnt smell on the AC adapter and was even noticing heat build up where the adapter plugged into the hub itself. 

So... to avoid fire, I have re-worked my setup to stay well below the 25w max on the adapter, and am running only 2 moonlanders at high clock speeds on the hub.

(Tiny Violins playing).