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Technical rules for drives

Depending on models, the server supports:

  • Up to ten 2.5-inch or four 3.5-inch SAS/SATA/NVMe front drives

  • Up to two 2.5-inch SAS/SATA or two 7mm SAS/SATA rear drives

  • Up to two M.2 SATA/NVMe drives

Drive installation requirements

The following notes describe information that you must consider when you install a drive.

  • The drive bays are numbered to indicate the installation order (starting from number “0”). Follow the installation order when you install a drive. See Front view.

  • The drives in a single RAID array must be the same type, same size, and same capacity.

  • You can mix drives of different types and different capacities in one system, but not in one RAID array. The following priorities are recommended:
    • Drive type priority: NVMe SSD, SAS SSD, SATA SSD, SAS HDD, SATA HDD

    • Drive capacity priority: the lowest capacity first

    • RAID arrays are not support for NVMe SSD drives.

    • RAID arrays are not support for AIC(all-in-card) SSD drives.

    • RAID arrays are not support for SED or FIPS HDD/SSD drives.
      FIPS (Federal Information Processing Standard) 140-2 is a U.S. government standard that describes the encryption and related security requirements for sensitive but unclassified (SBU) information technology (IT) products. FIPS 140-2 defines four levels of security, SEDs(Self-Encrypting Drives) are FIPS 140-2 Level 2 validated drives.
    • When one or more SED drives are installed, the following internal SAS HBA adapters are not supported:
      • 430-8i

      • 430-16i

      • 440-16i