Patent ID: 7719834

Claim:
A storage device, comprising: an enclosure; a plurality of drive connectors provided within the enclosure and to which media drives are connected; two or more media drives which are connected beforehand to two or more drive connectors among the plurality of drive connectors and which are installed so as to be undetachable by a user; an expansion slot member having a smaller number of expansion drive slots than the number of media drives that can be pre-installed, the plurality of drive connectors being constituted by a first drive connector to which a media drive that is inserted via the expansion drive slot is connected and a second drive connector to which a pre-installed media drive is connected, the media drive connected to the first drive connector being installed so as to be detachable by the user; a cooling fan provided in the enclosure; a backboard which is a circuit substrate having all or some of the plurality of drive connectors on the front face thereof and which is disposed so as to divide an interior space of the enclosure in an anteroposterior direction; a plurality of temperature-dependent devices disposed behind the backboard, wherein air is taken in via an enclosure front face from outside the enclosure as a result of rotation of the cooling fan, flows through an interior of the enclosure, and then passes through the backboard; and a media drive is connected beforehand to a second drive connector other than a certain drive connector on the backboard, wherein the plurality of temperature-dependent devices include a battery and a power device; and a media drive is not connected to a drive connector in front of the battery and a media drive is connected to a drive connector that is in front of the power device.