SKU: VWHMH

Dell PERC 12 H965e Quad Port 24G 8GB Cache FH RAID Controller Adapter | VWHMH

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Quick Specs

  • 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
  • Processor: Broadcom RAID-onchip, 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: No boot support
  • Supported Drives: 22.5, & 12 Gbps SAS
  • Max SAS/SATA disks: 240 SAS drives
  • Max NVMe drives: Not supported
  • Max physical disks: 240 SAS
PERC Rules & Limitations

Dell 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
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 R660
  • Dell R660xs
  • Dell R6615
  • Dell R6625
  • Dell R760
  • Dell R760xa
  • Dell R760xd2
  • Dell R760xs
  • Dell R7615
  • Dell R7625
  • Dell R860
  • Dell R960
  • Dell XR5610

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Spec Sheet 4

Table 1. Technical specifications of PERC 12 cards
Feature PERC H965i Adapter PERC H965i Front PERC H965i MX PERC H965e Adapter
RAID levels 0, 1, 5, 6, 10, 50, 60 0, 1, 5, 6, 10, 50, 60 0, 1, 5, 6, 10, 50, 60 0, 1, 5, 6, 10, 50, 60
Non–RAID Yes Yes Yes Yes
Enclosures per port Not applicable Not applicable Not applicable 4
Processor Broadcom RAID-on-chip, SAS4116W chipset Broadcom RAID-on-chip, SAS4116W chipset Broadcom RAID-on-chip, SAS4116W chipset Broadcom RAID-on-chip, SAS4116W chipset
Battery (Energy Pack) backup unit Yes Yes Yes Yes
Local Key Management security Yes Yes Yes Yes
Secure enterprise key manager security Yes Yes No Yes
Controller queue depth 8,192 8,192 8,192 8,192
Non-volatile cache Yes Yes Yes Yes
Cache memory 8 GB DDR4 3200 MT/s cache 8 GB DDR4 3200 MT/s cache 8 GB DDR4 3200 MT/s cache 8 GB DDR4 3200 MT/s cache
Cache function Write-back, write-through, always write-back, no read-ahead Write-back, write-through, always write-back, no read-ahead Write-back, write-through, always write-back, no read-ahead Write-back, write-through, always write-back, no read-ahead
Max no of VDs in RAID mode 240 240 240 240
Max no of disk groups 64 64 64 64
Max no of VDs per disk group 16 16 16 16
Hot-swap devices supported Yes Yes Yes Yes
Auto-Configure behavior (Primary and Execute once) Yes Yes Yes Yes
Hardware XOR engine Yes Yes Yes Yes
Online capacity expansion Yes Yes Yes Yes
Dedicated and global hot-spare Yes Yes Yes Yes
Supported Drive Types 22.5 Gbps SAS, 12 Gbps SAS, and 6 Gbps SATA/SAS. Gen3 (8 GT/s) and Gen4 (16 GT/s) NVMe 22.5 Gbps SAS, 12 Gbps SAS, and 6 Gbps SATA/SAS. Gen3 (8 GT/s) and Gen4 (16 GT/s) NVMe 22.5 Gbps SAS, 12 Gbps SAS, and 6 Gbps SATA/SAS. Gen3 (8 GT/s) and Gen4 (16 GT/s) NVMe 22.5 Gbps SAS, 12 Gbps SAS
VD strip element size 64 KB, 256 KB 64 KB, 256 KB 64 KB, 256 KB 64 KB, 256 KB
PCIe support Gen 4 Gen 4 Gen 4 Gen 4
Configuration maximum SAS/SATA physical disks support
  • Without SAS Expander: 16 drives per controller
  • With SAS Expander: Limited by platform offerings
  • Without SAS Expander: 16 drives per controller
  • With SAS Expander: Limited by platform offerings
Limited by platform: 8 drives per controller 240 SAS drives
Configuration maximum NVMe physical drives support
  • Without PCIe Switch Expander: 8 drives per controller
  • With PCIe Switch Expander: Limited by platform offerings
  • Without PCIe Switch Expander: 8 drives per controller
  • With PCIe Switch Expander: Limited by platform offerings
Limited by platform: 8 drives per controller Not supported
Controller maximum physical disks supported
  • 240 SAS/SATA
  • 24 NVMe
  • 240 SAS/SATA
  • 24 NVMe
  • 240 SAS/SATA
  • 24 NVMe
240 SAS
Drive sector size supported 512B, 512e, and 4Kn 512B, 512e, and 4Kn 512B, 512e, and 4Kn 512B, 512e, and 4Kn
Storage Boot Support UEFI-only UEFI-only UEFI-only No boot support