The present disclosure involves a heat dissipater for a storage and the corresponding storage. The storage comprises a drawer chassis including at least one baffle arranged in a direction perpendicular to a pulling direction of the drawer chassis. The drawer chassis accommodates disks organized in a plurality of rows and placed against the corresponding baffle. The heat dissipater comprises: venting holes arranged on the baffle and corresponding to disks placed against the respective baffle; and flyers arranged on the baffle and corresponding to the venting holes respectively, the flyers being arranged to block the corresponding venting holes and to expose the corresponding venting holes in response to the attraction of the magnetic winding.