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Dell PERC H755 Front RAID Controller Adapter

Dell PERC H755 Front RAID Controller Adapter

Brand: Dell | Category: Storage Systems

SKU: 405-AAYT | Part #: 405-AAYT | MPN: 405-AAYT

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About the Dell PERC H755 Front RAID Controller Adapter

The Dell PERC H755 is a 12Gbps SAS RAID controller designed for front-slot installation in PowerEdge R760 and R760xa servers. It delivers enterprise-grade storage management through a dedicated hardware RAID processor, supporting up to 64 physical drives and enabling mixed SAS/SATA configurations in single logical arrays. The controller features DDR4 cache memory with optional battery-backed unit (BBU) support, enabling write-back caching for sustained I/O performance across demanding workloads.

The H755 integrates with Dell's Integrated Dell Remote Access Controller (iDRAC) for unified monitoring and predictive failure analytics. Native support for RAID 0, 1, 5, 6, and 50 provides flexibility for data protection and capacity optimization. The controller supports NVMe pass-through for next-generation storage acceleration alongside traditional SAS disk arrays, positioning it for heterogeneous storage tier architectures.

Ideal for

  • Multi-tier storage optimization in virtualization environments with mixed SAS and NVMe devices
  • High-availability database clusters requiring fast rebuild times via RAID 6 and predictive monitoring
  • Content delivery and media archive platforms with sustained sequential I/O demands
  • Enterprise backup and disaster recovery infrastructures with large-capacity JBOD configurations
  • Consolidated file serving and NAS appliance deployments across EMEA data centers
  • Mission-critical transactional systems leveraging write-back cache for low-latency acknowledgment

Technical specifications

ManufacturerDell
ModelPERC H755 Front RAID Controller Adapter
Part Number405-AAYT
Controller Type12Gbps SAS RAID
InterfaceSAS 3.0 (12Gbps)
Physical Drive SupportUp to 64 drives
Supported Drive TypesSAS, SATA, NVMe pass-through
RAID LevelsRAID 0, 1, 5, 6, 50
Cache MemoryDDR4 (capacity varies by configuration)
Battery-Backed UnitOptional BBU support
Compatible ServersPowerEdge R760, R760xa
Connector TypeSAS/SATA internal interface
ManagementiDRAC integrated management
Monitoring FeaturesPredictive failure analytics, event logging
Form FactorFront slot adapter card
Launch Date2021 Q3

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Technical Specifications

BrandDell
CategoryStorage Systems
SKU405-AAYT
Part Number405-AAYT
ConditionNew
ModelPERC H755 Front RAID Controller Adapter
Controller Type12Gbps SAS RAID
InterfaceSAS 3.0 (12Gbps)
Physical Drive SupportUp to 64 drives
Supported Drive TypesSAS, SATA, NVMe pass-through
RAID LevelsRAID 0, 1, 5, 6, 50
Cache MemoryDDR4 (capacity varies by configuration)
Battery-Backed UnitOptional BBU support
Compatible ServersPowerEdge R760, R760xa
Connector TypeSAS/SATA internal interface
ManagementiDRAC integrated management
Monitoring FeaturesPredictive failure analytics, event logging
Form FactorFront slot adapter card
Launch Date2021 Q3