V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

HDA
       High Definition Audio (Intel, audio)


The Free On-line Dictionary of Computing (30 December 2018):

Head Disk Assembly
HDA

    (HDA) A sealed, high capacity mainframe
   hard disk with integral heads, as opposed to a removable
   disk.

   (1999-01-13)