Hi @data1!
What type of noise does the drive make? Can you upload some recording so we can hear?
For instance, if the sound is related to the vibrations of the drive you can reduce them noise you can try to put something between the 2 contacts to act as a dampener. Preferably something that can't hold a static charge, or in anyway conductive - for example a rubber cladding beneath the HDD, or a rubber between the HDD cage and the frame in which it goes inside the case should do the job.
Cheers!
