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Dell EMC PowerEdge R940xa Installation and Service Manual

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Drive backplane

Depending on your system configuration, the drive backplanes supported in PowerEdge R940xa are listed here:

Table 1. Supported backplane options for PowerEdge R940xa system.This table lists the supported hard drives supported options for PowerEdge R940xa system.
SystemSupported backplane options
PowerEdge R940xa2.5-inch (x24) SAS/SATA backplane
2.5-inch (x24) backplane expander which supports 4 SAS/SATA/NVMe hard drives
2.5-inch (x8) SAS/SATA backplane
2.5-inch (x8) SAS/SATA lower backplane
Figure 1. 2.5-inch (x24) SAS/SATA backplane

Back view of 24 x 2.5-inch backplane

  1. Slimline SAS cable connector
  2. Slimline SAS cable connector
  3. Power cable connector
  4. Power cable connector
  5. Power cable connector
  6. Backplane signal connector
Figure 2. 2.5-inch (x24) backplane expander

Back view of 24 x 2.5-inch backplane expander

  1. Mini SAS hard drive AB 0
  2. Mini SAS hard drive AB 1
Figure 3. 2.5-inch (x8) SAS/SATA backplane

Back view of 8 x 2.5-inch backplane

  1. Mini SAS hard drive B 1
  2. Backplane signal connector
  3. Power cable connector
  4. Mini SAS hard drive A 1
Figure 4. 2.5-inch (x8) SAS/SATA lower backplane

Back view of 8 x 2.5-inch backplane vertical

  1. Mini SAS hard drive B 1
  2. Mini SAS hard drive A 1
  3. Power cable connector
  4. Backplane signal connector

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