hmm...
hi audiman
(exscuse any typing errors, im trying a typing tutor program to help me type faster w/o looking a kb)
I have been looking over new cases for awile so i might be able to give some input
On most of the full tower server cases ive seen lately there was no back plate adapter for the redundant power supplies they all were connected to the internal "frame" , now thats all the pictures ive seen, and a few ive had a chance to look over in person,
Now you said your case is a type that has the ps opening and then there is a fan area above it? and you want a backplate for another ps for that area? if thats correct than just from the ones ive seen that I have never seen those thing so in might be easier to fabricate something your self.... all I have seen are the redundant power openings on all the full size tower servers i've seen...
but .. I remember seeing a place that sells these "mini" 300 watt redundant power supplies but they were just as expensive as the full size ones... I don't know if that would help either....