An electronic device with a storage device enclosure is disclosed. The electronic device enclosure comprises a chassis comprising a bottom plate and a side plate substantially perpendicular to the bottom plate; a securing member attached to the side plate and comprising a plurality of positioning slots; a bracket rotatably attached to the side plate about a pivoting axis substantially parallel to the bottom plate relative to the chassis; the bracket comprising a side panel substantially perpendicular to the side plate; a blocking portion located on the side panel, and the blocking portion being elastic and engaged in one of the plurality of positioning slots.