A storage device includes an enclosure, a plurality of drive connectors within the enclosure to which media drives are connected, a cooling fan in the enclosure, a backboard positioned to divide an interior space of the enclosure in an anteroposterior direction, and a plurality of temperature-dependent devices disposed behind the backboard. Air is taken in via an enclosure front face from outside the enclosure due to the cooling fan's rotation, flows through the interior space of the enclosure, and passes through the backboard. The backboard has all or some of the drive connectors on a front face thereof, arranged in a matrix configuration having a plurality of rows and a plurality of columns. The plurality of drive connectors includes two first drive connectors, each first drive connector connected to a user-detachable media drive and located in a same column of the matrix configuration.