It would seem (at least to me) that while H960 racks are not all THAT
uncommon to find, the side panels are. Seems most of the ones I've seen "in
the wild" (and all the ones I have), do not have the grey side panels.
There are probably several reasonss for that. If several racks are used
for a single machine, they are bolted together, and only 2 side panels
are used, no matter how many racks are involved. And, to be honest, those
panels are a right pain on any machine that you're going to be working on
the intenrals of....
-tony