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Drive backplane installation rules and order

This section contains information on the drive backplane installation rules and order.

The server supports up to six drive backplanes with the following corresponding drive bay numbers.
Figure 1. Drive backplane numbering
Drive backplane numbering
Note
When ThinkSystem 256GB TruDDR5 4800MHz (8Rx4) 3DS RDIMM v1 is installed in the system, the maximum number of supported drives is twenty-four drives.
Table 1. Drive backplanes and corresponding drive bays
Drive backplaneDrive bay Supported drive backplanesSupported drives
1 Backplane 10 to 7
  • 2.5-inch AnyBay 8-bay drive backplane
  • 2.5-inch SAS/SATA 8-bay drive backplane
  • 2.5-inch SAS/SATA/NVMe drives
  • 2.5-inch SAS/SATA drives
2 Backplane 28 to 15
3 Backplane 316 to 23
4 Backplane 424 to 31
  • 2.5-inch AnyBay 8-bay drive backplane
  • 2.5-inch SAS/SATA 8-bay drive backplane
  • 2.5-inch SAS/SATA drives
5 Backplane 532 to 39
6 Backplane 640 to 47
Note
2.5-inch AnyBay 8-bay drive backplanes support 2.5-inch SAS/SATA/NVMe drives.
Table 2. Drive backplanes installation order
Installation priorityBackplane typeBackplane placement priorities
12.5-inch AnyBay 8-bay drive backplane1, 3, 2, 4, 5, 6
22.5-inch SAS/SATA 8-bay drive backplane1, 2, 3, 4, 5, 6