Summary

Convert 3.5" mounted 7 port USB Hub to Desktop Box.
USB Hub: HTTPS://www.amazon.ca/-/fr/Panneau-connecteur-dalimentation-broches-adaptateur/dp/b01mynxhav

New Version C.. Has separate rear panel, and uses an external 5v 4a supply. Parts list for connector and power supply.
For 4pin internal connector, I stole that off an old PC power supple..