A mounting apparatus for a storage device, includes a first bracket for accommodating the storage device therein, a chassis for slidably securing the first bracket therein, a locking member including a pivotable portion, a blocking portion pivotable about an axis of the pivotable portion for urging the first bracket, and a connecting portion interconnecting the pivotable portion and the blocking portion, and a bearing connected to the chassis for pivotably supporting the pivotable portion of the locking member.