note that fujitsu also has their own line of storage arrays as well the mack daddy of which is the 8000 series
The architecture of it seems unique so I don't think it's an OEM'd product, goes to 8 controllers, and 2.75PB of space. even has cache redundancy like 3PAR's persistent cache.
from the PDF
"Products and vendors that compete with the ETERNUS8000 include 3PAR T800 systems, EMC Symmetrix DMX-4, Hitachi Universal Storage Platform, and IBM System Storage DS8000."