I have asked this same question elsewhere too, but just want to ask here as well as you have so much experience with these.
So, if I use these on 49 port hubs, with a PSU that gives 5V X 30 A, I am safe to run close to 25-28 of these units.
and, if i get a PSU which can do 5V X 50 A, I can run over 45 or so safely?
Is there any risk involved if i do this with original 49 port hubs by AM?
You'll have to experiment yourself but I would be surprised if the hub couldn't handle 25 or so of these @ 4GHz and 30A supply. 50A might be pushing the internal wiring a bit much.