Patent ID: 6950304

Claim:
A disk array device comprising: a circuit board having electrical connectors; a hard disk drive module connected to said circuit board via at least one of said electrical connectors, including a disk for recording information thereon, and having one side that has a length substantially equal to a diameter of said disk; a battery module connected to said circuit board via at least one of said electrical connectors; an operation module connected to said circuit board via at least one of said electrical connectors; a fan module connected to said circuit board via at least one of said electrical connectors and having at least one cooling fan; a controller module connected to said circuit board via at least one of said electrical connectors and having a controller; a power supply module connected to said circuit board via at least one of said electrical connectors and provided for supplying power to said modules; and a substantially box-shaped chassis in which said modules and said circuit board are housed, a front surface and a rear surface of which being opened in a rectangular shape; wherein a length of one side of said opened front surface of said chassis is substantially the same length as said one side of said hard disk drive module; wherein said fan module is arranged near at least one side surface of said chassis; wherein a partitioning plate is provided substantially in the middle of both side surfaces of said chassis; wherein a set of power supply modules is provided, and at least one of said power supply modules is arranged on each side of said partitioning plate; wherein said controller module is arranged across said partitioning plate; and wherein said partitioning plate is provided with a vent hole.