8 x 2.5'' NVMe drives with two 4 x 2.5'' NVMe backplanes
Use this section to understand the cable routing for eight NVMe drives with two 4 x 2.5'' NVMe backplanes and two processors installed.
Cable routing for onboard configuration
The following table shows the mapping relationship between backplane connectors and processor board connectors for onboard configuration.
The following figure illustrates the cable routing for the onboard configuration of 8 x 2.5-inch front NVMe drive bays. Connections between connectors: 1 ↔ 1, 2 ↔ 2, 3 ↔ 3, ... n ↔ n
Figure 1. Cable routing for onboard configuration of 8 x 2.5-inch front NVMe drives
| Backplane | From backplane | Cable silkscreen | To |
|---|---|---|---|
| 4 x 2.5'' NVMe backplane 1 | 1 NVMe 0–1 | 1 NVMe 0–1 | 1 PCIe 6 |
| 2 Power | 2 Power | 2 Power connector 2_A | |
| 3 NVMe 2–3 | 3 NVMe 2–3 | 3 PCIe 5 | |
| 4 x 2.5'' NVMe backplane 2 | 4 NVMe 0–1 | 4 NVMe 4–5 | 4 PCIe 4 |
| 5 Power | 5 Power | 5 Power connector 3_A | |
| 6 NVMe 2–3 | 6 NVMe 6–7 | 6 PCIe 3 |
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