CFF expander + 8i RAID/HBA adapter + retimer card
The following shows the cable connections for the 16 x 2.5-inch SAS/SATA + 8 x 2.5-inch NVMe configuration with one CFF expander, one 8i RAID/HBA adapter, and one retimer card.
| From | To |
|---|---|
Backplane 1: SAS | CFF expander: C0 |
Backplane 2: SAS | CFF expander: C1 |
CFF expander: RAID/HBA | 8i RAID/HBA adapter on PCIe slot 2:
|
CFF expander: PWR | Onboard: EXP PWR |
Backplane 3: NVMe 0-1, 2-3 | Onboard: PCIe 1, PCIe 2 |
Backplane 3: NVMe 4-5, 6-7 | Retimer card on PCIe slot 1: C0, C1 |
Connections between connectors: 1 ↔ 1, 2 ↔ 2, 3 ↔ 3, ... n ↔ n
Figure 1. SAS/SATA cable routing  | Figure 2. NVMe cable routing  |
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