Patent ID: 7558056
Filing Date: 2009-07-07
Classification: G06F,G11B

Abstract:
1. A disk array device comprising: a plurality of hard disk drive modules each having a disk drive for recording data; a controller module having a controller that controls writing/reading data into/from the disk drives; a power supply module that supplies power to the plurality of hard disk drive modules and the controller module; a plurality of fan modules having respective fans that cool the plurality of hard disk drive modules, the controller module, and the power supply module; and a chassis housing the plurality of hard disk drive modules provided on a front side thereof and the controller module, the power supply module, and the plurality of fan modules provided on a back side thereof the controller module and the power supply module being placed between the plurality of fan modules, wherein the power supply module has first air holes used to allow air to flow inside directions toward the plurality of fan modules, wherein each of the plurality of fan modules has a plurality of fans therein, and wherein the plurality of fans suck air from the controller module and the power supply module through second air holes provided in the controller module and the power supply module and discharge the air to outside through third air holes provided in the back of the plurality of fan modules.