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3KDWX - Dell fPERC 11 H755 (SAS/SATA) RAID Controller

Dell

| Adapter
$955.00

This item is included in the following kit.

Quick Specs
  • Models: Front PERC
  • Drive Types: 12 Gb/s SAS, 6 Gb/s SAS/SATA, 3Gb/s SAS/SATA
  • PCI Support: PCI-e 4.0
  • SAS Connectors: 16 Port 2x8 Internal
  • Cache Memory: 8GB NV
  • Write Back Cache: Flash Backed Cache
  • Max Drive Support: 16/controller, 50 with SAS Expander (Platform limit)
  • RAID Levels: 0, 1, 5, 6, 10, 50, 60
  • RAID Support: Hardware
Part Number:
  • LP: 51P7W
  • FH: 29XMF
  • fPERC: 3KDWX
  • MX: XYHRD
The Dell fPERC 11 H755 (SAS/SATA) RAID Controller delivers powerful hardware RAID functionality for front-accessible storage systems. Designed with PCI-e 4.0 support, it connects up to 16 drives directly and up to 50 drives with a SAS expander, offering exceptional scalability for enterprise deployments.
Equipped with 8GB of non-volatile cache and flash-backed cache protection, the H755 Front PERC supports RAID levels 0, 1, 5, 6, 10, 50, and 60. It ensures high throughput and reliable storage performance for SAS and SATA drive environments in mission-critical server applications.
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 R350
  • Dell R450
  • Dell R550
  • Dell R650
  • Dell R650xs
  • Dell R660
  • Dell R660xs
  • Dell R6615
  • Dell R6625
  • Dell R750
  • Dell R750xa
  • Dell R750xs
  • Dell R7525
  • Dell R760
  • Dell R760xa
  • Dell R760xs
  • Dell R7615
  • Dell R7625
  • Dell R860
  • Dell R960
  • Dell T550
  • Dell T560
  • Dell XR7620

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