After scouring the internet I finally found the HGST drive manager software.
Note that for working on windows, it requires a driver I have yet to find, but linux binaries are included too.
HGSTDM 34 : HGST : Free Download, Borrow, and Streaming : Internet Archive
HGST Drive Manager 3.4
archive.org
Note that for working on windows, it requires a driver I have yet to find, but linux binaries are included too.