Patent attributes
A server information handling system may include a processor; a network interface device (NID); a power source; a vertical backplane for providing electrical and data coupling to a plurality of hard disk drives (HDDs) operatively coupled to the vertical back plane; a plurality of vent holes formed through the vertical backplane; and an acoustic dampening device including a duct extension protruding away from the plurality of vent holes formed through the vertical backplane; the duct extensions to acoustically separate a fan system of the server information handling system from the plurality of HDDs within the information handling system server by mitigation of acoustic energy transmission generated by airflow through the plurality of vent holes.