I've done some digging around and came to found out that you can still get to the bootable files by going to [URL] >. For example, for the T410, it'll be [URL] (I was looking for the ISOs for a R610 and looking at the wayback machine gave me some insights of what to look for).
generation 11 has been removed from the link bellow does any body have a copy of the bootable media for dell T410?   [URL]
PowerEdge Server Generation 11 T410 bootable media / ISO