A shielding strip is provided for a computer including an electrically conductive housing and a non-conductive drive mounting structure situated within the housing. The drive mounting structure includes a plurality of bays which communicate with an opening in the housing. An electrically conductive retainer is situated over the opening to hold the disk drives in the bays. The shielding strip includes a longitudinal main portion extending along a first side of the housing adjacent the opening and situated between the first side of the housing and the drive mounting structure. The shielding strip further includes a plurality of spring structures extending laterally away from the main portion and toward the bays, each of such spring structures including a first spring portion for contacting a conductive portion of a disk drive mounted in a respective bay and a second spring portion for contacting the retainer.