Yes, the server has its own power.
I'm not sure if we're on the same page.
This is the adaptor we're using: https://www.amazon.com/gp/product/B07GQV83Y2?pf_rd_p=019ad97c-f176-43be-96b9-991a6dc65763&pf_rd_r=505Z3VNZBBH4C2HRVB88
It is powered by bus power from the laptop, it does not have it's own dedicated power.
Our setup is as follows: Lumaforge Jellyfish server -> 10gig cat 6a line ran to desk -> cat 6a plugged into the akitio adaptor -> akition adaptor plugin into mbp via thunderbolt 3