A drawer for receiving storage module is provided. The storage module drawer includes a case and a manual operating assembly. The manual operating assembly includes a fastener fixed to the case and includes an operating handle rotatably and pivotally connected to the fastener. The fastener includes two arms and a fastening hole penetrating the fastener. The operating handle includes an elastic engagement element fastened by the two arms. The elastic engagement element includes an extending bar and two claws connected to the extending bar. When the elastic engagement element is inserted through the fastening hole to cause the two arms to clamp the two claws, the case is prevented from being detached from a computer chassis where the drawer is mounted inside, so that the storage module drawer can be easily removed or fastened by using the manual operating assembly and has a long lifespan.