Dell Backplane SAS Expander for PowerEdge R750/R7525 24x2.5" 0571RM 571RM

Upgrade or replace your Dell PowerEdge storage subsystem with this genuine Dell 24-Bay 2.5" SAS Expander Backplane. Designed for Dell PowerEdge R750 and R7525 2U rack servers, this high-density backplane supports up to 24 Small Form Factor (SFF) drives and provides enterprise-class SAS, SATA, and selected NVMe storage connectivity through its integrated SAS expander architecture. Compatible with Dell 15th Generation PowerEdge platforms, this backplane is ideal for storage expansion, system repairs, and server rebuilds.

Key Features

• Genuine Dell SAS Expander Backplane
• Supports up to 24 x 2.5" SFF drive bays
• Integrated SAS Expander technology
• Supports SAS and SATA drives
• Selected NVMe configurations supported
• Enterprise-grade design for high-density storage environments
• Designed for Dell PowerEdge 15G server architecture
• Hot-swap drive support
• Ideal for server maintenance, upgrades, and replacements

Specifications

• Manufacturer: Dell
• Product Type: SAS Expander Backplane
• Dell Part Number: 0571RM / 571RM
• Alternate Part Numbers:
  • 0JMCMN
  • JMCMN
  • 0HGH40
  • HGH40
  • 027TGR
  • 27TGR
• Drive Bays Supported: 24 x 2.5" SFF
• Supported Drive Interfaces:
  • SAS
  • SATA
  • Selected NVMe configurations
• Form Factor: 2U Rack Server Backplane
• Integrated SAS Expander: Yes
• Hot Plug Support: Yes

Compatible Dell Server Models

• Dell PowerEdge R750
• Dell PowerEdge R7525

Compatible with 24-Bay 2.5" SFF chassis configurations.

Compatible Storage Controllers

• Dell PERC H755 Front (fPERC)
• Dell PERC H355 Front
• Dell HBA355i Front
• Other supported Dell 15G storage configurations

Part Number Interchange

The following part numbers are commonly referenced as equivalent or associated with this assembly:

0571RM, 571RM, 0JMCMN, JMCMN, 0HGH40, HGH40, 027TGR, 27TGR

Dell may use multiple manufacturing, assembly, service, or revision numbers for the same functional backplane assembly.

Package Contents

• Dell 24-Bay SAS Expander Backplane
• Integrated SAS Expander Board

Drives, cables, RAID controllers, and server chassis are not included unless otherwise stated.

Applications

• Replacement of failed backplane assemblies
• Server storage expansion projects
• Data center deployments
• Virtualization environments
• Database and storage-intensive workloads
• PowerEdge R750 and R7525 server rebuilds

Alternate Part Numbers

0571RM, 571RM, 0JMCMN, JMCMN, 0HGH40, HGH40, 027TGR, 27TGR

Compatible Models

Dell PowerEdge R750
Dell PowerEdge R7525

Condition: Professionally tested and verified for full functionality. May show minor cosmetic signs of normal use that do not affect performance. Warranty included.