As a side note, if you have 3 full nodes and a 4th one filling up, all behind the same IP, the 4th one will get as much ingress as it would if it was alone, because other ones won’t be selected anymore by satellites for ingress.
@Pentium100’s right it does not impact egress which is directly related to how much data you store.
Well, mainly at least: performances of your setup could impact that; see success rate: