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Dell PERC 12 H965i MX RAID Controller

Dell

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Quick Specs
    Enclosures per port Not applicable
  • Cache: 8 GB DDR4 3200MT/s
  • RAID Level: 0, 1, 5, 6, 10, 50, 60
  • Non-RAID: Yes
  • PCIe: Gen 4
  • Processor: Broadcom RAID-on-chip, SAS4116W chipset
  • Battery Backup: Yes
  • Max no of VDs in RAID mode: 240
  • Max no of disk groups: 64
  • Max no of VDs per disk group: 16
  • Hot-swap devices supported: Yes
  • Drive sector size supported: 512B, 512e, and 4Kn
  • Storage Boot Support: UEFI-only
Supported Drives:
  • 6 Gbps SATA
  • 22.5, 12, & 6 Gbps SAS
  • NVMe Gen3 (8 GT/s) and Gen4 (16 GT/s)
Max SAS/SATA disks:
  • 16 drives per controller
  • w/ SAS Expander: Limited by platform offerings
Max NVMe drives:
  • 8 drives per controller
  • w/ PCIe Switch Expander: Limited by platform offerings
Max physical disks:
  • 240 SAS/SATA
  • 24 NVMe
PERC Rules & LimitationsDell Technologies PowerEdge RAID Controller 12 or PERC 12 is a series of RAID disk array controllers developed by Dell for its PowerEdge servers.
  • The PERC 12 controller tools such as PERCCLI2, drivers, and firmware are not backward-compatible with previous versions of PERC controllers.
  • Mixing disks of different speed (7,200 RPM, 10,000 RPM, or 15,000 RPM) and bandwidth (6 Gbps, 12 Gbps, or 24 Gbps) while maintaining the same drive type (SAS or SATA) and technology (HDD or SSD) is supported.
  • PERC 12 controllers support only single SCSI LUN and single NVMe namespace devices. Multi-LUN and MultiNamespace devices are not supported.
  • Shingled Magnetic Recording (SMR) drives are not supported on PERC 12 controllers.
  • Mixing NVMe drives with SAS and SATA is not supported. Also, mixing HDD and SSD in a virtual disk is not supported.
  • PERC 12 controller is supported in only UEFI mode as boot controller. (H965e is not supported as a boot controller)
H965 PERC Series Options

Internal H965i View PERC Enclosures

  • per port 0
  • Cache: 8 GB DDR4 3200MT/s
  • RAID Level: 0, 1, 5, 6, 10, 50, 60
  • Non-RAID: Yes
  • PCIe: Gen 4
  • Supported Drives:
    • 6 Gbps SATA
    • 22.5, 12, & 6 Gbps SAS
    • NVMe Gen3 (8 GT/s) and Gen4 (16 GT/s)
    Max SAS/SATA disks:
    • 16 drives per controller
    • w/ SAS Expander: Limited by platform offerings
    Max NVMe drives:
    • 8 drives per controller
    • w/ PCIe Switch Expander: Limited by platform offerings
    Max physical disks:
    • 240 SAS/SATA
    • 24 NVMe

Front H965i View PERC Enclosures

  • per port 0
  • Cache: 8 GB DDR4 3200MT/s
  • RAID Level: 0, 1, 5, 6, 10, 50, 60
  • Non-RAID: Yes
  • PCIe: Gen 4
  • Supported Drives:
    • 6 Gbps SATA
    • 22.5, 12, & 6 Gbps SAS
    • NVMe Gen3 (8 GT/s) and Gen4 (16 GT/s)
    Max SAS/SATA disks:
    • 16 drives per controller
    • w/ SAS Expander: Limited by platform offerings
    Max NVMe drives:
    • 8 drives per controller
    • w/ PCIe Switch Expander: Limited by platform offerings
    Max physical disks:
    • 240 SAS/SATA
    • 24 NVMe

External H965i View PERC Enclosures

  • per port 4
  • Cache: 8 GB DDR4 3200MT/s
  • RAID Level: 0, 1, 5, 6, 10, 50, 60
  • Non-RAID: Yes
  • PCIe: Gen 4
  • Supported Drives:
    • 22.5, 12 Gbps SAS
    Max SAS/SATA disks:
    • 240 SAS drives
    Max NVMe drives:
    • Not supported
    Max physical disks:
    • 240 SAS
Summary of RAID levels
Summary of RAID levels Following is a list of the RAID levels supported by the PERC 12 series of cards:
  • RAID 0 Uses disk striping to provide high data throughput, especially for large files in an environment that requires no data redundancy.
  • RAID 1 Uses disk mirroring so that data written to one physical disk is simultaneously written to another physical disk. RAID 1 is good for small databases or other applications that require small capacity and complete data redundancy.
  • RAID 5 Uses disk striping and parity data across all physical disks (distributed parity) to provide high data throughput and data redundancy, especially for small random access.
  • RAID 6 Is an extension of RAID 5 and uses an additional parity block. RAID 6 uses block-level striping with two parity blocks distributed across all member disks. RAID 6 provides protection against double disk failures, and failures while a single disk is rebuilding. If you are using only one array, deploying RAID 6 is more effective than deploying a hot spare disk.
  • RAID 10 Is a combination of RAID 0 and RAID 1, uses disk striping across mirrored disks. It provides high data throughput and complete data redundancy.
  • RAID 50 Is a combination of RAID 0 and RAID 5 where a RAID 0 array is striped across RAID 5 elements. RAID 50 requires at least six disks.
  • RAID 60 Is a combination of RAID 0 and RAID 6 where a RAID 0 array is striped across RAID 6 elements. RAID 60 requires at least eight disks.
Compatible With:
  • Dell Mx760c
  • Dell R760

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