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12 x 3.5" SAS/SATA + 4 x 3.5"/4 x 2.5" SAS/SATA

This topic provides cable routing information for the front 12 x 3.5-inch SAS/SATA + middle 4 x 3.5-inch/4 x 2.5-inch SAS/SATA configuration with one 16i RAID/HBA adapter.

The following uses the 4 x 3.5-inch SAS/SATA middle backplane as an example for illustration. The cable routing for the 4 x 2.5-inch SAS/SATA middle backplane is similar.

Connections between connectors: 1 ↔ 1, 2 ↔ 2, 3 ↔ 3, ... n ↔ n

Figure 1. Front/Middle backplane signal cable routing
Front/Middle backplane signal cable routing

Figure 2. Middle backplane power cable routing
Middle backplane power cable routing

FromToFromTo
1Backplane 1: SAS 0, SAS 1116i adapter

  • Gen 4: C0

  • Gen 3: C0C1

1Backplane 5: PWR1Onboard:

  • GPU power

  • Rear backplane power

  • Rear backplane sideband

2

  • Backplane 1: SAS 2

  • Backplane 5: SAS

216i adapter

  • Gen 4: C1

  • Gen 3: C2C3