Dell Command | Configure Version 4.1.0 Command Line Interface Reference Guide

Valid Argument	Bypass, Quiet, Suggested, Performance
Description	Sets the hard disk acoustic mode. If set to Bypass, BIOS does not modify the currently set acoustic mode of the hard disks. Quiet sets the acoustic mode of the hard disks to the quietest operation. Suggested sets the acoustic mode of the hard disks to the setting suggested by the manufacturer. Performance sets the acoustic mode of the hard disks for the highest disk performance.

--HddAcousticMode