Patent ID: 7859839

Claim:
A storage apparatus comprising: a disk box unit that stores a plurality of hard disk drives; a controller unit section that inputs and outputs data to and from the hard disk drives in response to data input and output requests from a host system, the controller unit comprising one or more logical substrates; a power supply unit that supplies power to the disk box unit and the controller unit section; a chassis that stores the disk box unit, the controller unit section, and the power supply unit therein; a backboard mounted on a bottom surface of the chassis to extend vertically within the chassis at a center region of the chassis, the backboard having a first side facing a front side of the chassis and a second side facing a back side of the chassis, the backboard connecting to each of the disk box unit, the controller unit section, and the power supply unit via both the first and second sides so as to allow insertion and removal of the disk box unit, the controller unit section, and the power supply unit from each of the front side and the back side of the chassis; and a fan device that introduces air from outside of the chassis to a heat area generated from one or more heat generating members arranged on the one or more logical substrates, cools the heat area by stirring the air introduced to the heat area therein or by causing the air introduced to the heat area to blow evenly thereon, and discharges the air introduced to the heat area from the chassis upon the air introduced to the heat area passing through the heat area, the fan device including a first portion and a second portion that are respectively mounted from the front and rear sides of the chassis with the backboard therebetween.