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Dell SC400, SC420, and SC420F Expansion Enclosure Owner's Manual

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Replacing Hard Drives

The SC400 series expansion enclosures supports hot-swappable hard drives.

The SC400 expansion enclosure supports up to 12 3.5-inch hard drives installed in a four-column, three-row configuration. The SC420 expansion enclosure supports up to 24 2.5-inch hard drives installed vertically side-by-side. The SC420F supports up to 24 2.5-inch SSDs installed vertically side-by-side . Hard drives are connected to a backplane through hard drive carriers. Hard drive blanks are installed in the hard drive bays that are not occupied.
  • NOTE: One spare drive is allocated for every 20 drives in the expansion enclosure.

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