| 摘要 |
A portable RAID device has four hard disk drives and a RAID controller within an enclosure. The RAID controller controls the RAID array according to at least RAID level 5 . The portable RAID device has an input/output port configured to connect the portable RAID device to a computer, such that the portable RAID device provides reliable, RAID-compliant external storage that may be moved from computer to computer. Input/output connectors on each hard disk drive face inward toward the middle of the enclosure along one dimension. The four hard disk drives are arranged in a compact 2 by 2 pattern. The space efficient layout of the portable RAID device allows the device to house a four hard disk drive RAID array within a rectangular enclosure with roughly the same dimensions as a laptop computer.
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