This is a 4TB 7.2k RPM SAS drive, Large Form Factor(LFF) 3.5″ drive for use in the Hitachi Data Systems HUS 100, 130, and 150 units, as well as HUS-VM systems.

The feature code is DF-F850-4TNL

The part number for this drive is #3285067-C

Currently, drives are 3285067-R  which are the 4TNLC, which is the RoHS version of the drive.  This is guaranteed interchangeable within the system, within the expansion frames, and even within individual array groups of the 3285067-C 4TNL drive.