part numbers

Hi all, this is probably a tricky one. I'm looking for a power distribution board/backplane that's compatible with the MS73-HB1 PMBus connector so I can make use of the server remote management tools. I see these motherboards were used in the S453-S70-AAV1 4U storage server, but I can't seem to...

I've created a list of common Supermicro chassis part#s -- rear windows, cables etc. For example there are at least 5 different Front control cable 20P, 16P single, split, different lengths etc. Many of the parts are interchangeable between different chassis. Hope this helps someone save some...