| 摘要 |
PURPOSE: A selection type hard disk rack is provided to conveniently change the use of the hard disk with the manipulation of the external power without dissembling a main body of a computer when using a plurality of hard disks by installing a device to control the power of the hard disk within the hard disk rack. CONSTITUTION: A hard disk case(100) attachable to the main body of a computer has a support tool supporting the inserted hard disk, a tool supplying the power to the hard disk. A data transfer tool transmits the data between the hard disk and the computer. A power controller(200) enables a user to select and use the desired hard disk from the outside by controlling the power of the hard disk installed within the hard disk case. A hard disk shock preventing part(300) prevents the hard disk within the hard disk case from the external shock.
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