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12 x 3.5" SAS/SATA + 8 x 2.5" NVMe

This topic provides cable routing information for the front 12 x 3.5-inch SAS/SATA + middle 8 x 2.5-inch NVMe configuration with one 16i RAID/HBA adapter.

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

Front backplane cable routing​

Figure 1. Cable routing to 16i RAID/HBA adapter
Cable routing to 16i RAID/HBA adapter

FromTo
1 Backplane 1: SAS 0, SAS 11 16i adapter

  • Gen 4: C0

  • Gen 3: C0C1

2 Backplane 1: SAS 22 16i adapter

  • Gen 4: C1

  • Gen 3: C2

Middle backplane cable routing​

Figure 2. Middle backplane signal cable routing
Middle backplane signal cable routing

Figure 3. Middle backplane power cable routing
Middle backplane power cable routing

FromToFromTo
1 Backplane 5: NVMe 0-11 Onboard: PCIe 51

  • Backplane 5: PWR

  • Backplane 6: PWR

1

  • Onboard: rear backplane power

  • Onboard: rear backplane sideband

  • Riser 1: PWR

2 Backplane 5: NVMe 2-32 Onboard: PCIe 7
3 Backplane 6: NVMe 0-13 Onboard: PCIe 6  
4 Backplane 6: NVMe 2-34 Onboard: PCIe 8