16 x 2.5" SAS/SATA + 4 x 2.5" SAS/SATA
The following shows the cable connections for the front 16 x 2.5-inch SAS/SATA + middle 4 x 2.5-inch SAS/SATA configuration with one 16i RAID/HBA adapter and one 8i RAID/HBA adapter.
To connect riser 3 and riser 4 cables, see Riser 3/4 cage.
To connect riser 5 cables, see Riser 5 cage.
To connect cables to the front and rear OCP interposer cards, see OCP interposer cards.
Connections between connectors: 1 ↔ 1, 2 ↔ 2, 3 ↔ 3, ... n ↔ n
Figure 1. Front backplane cable routing  | Figure 2. Middle backplane cable routing  | ||
| From | To | From | To |
| 1Backplane 1: SAS | 116i adapter
| 1Backplane 5: SAS | 18i adapter: C0 |
| 2Backplane 2: SAS | 216i adapter
| 2Backplane 5: PWR | 2Onboard:
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