Onboard connectors

The following shows the cable connections for the 8 x 2.5-inch NVMe configuration with onboard connectors.

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

Cable routing in unbalance mode​

Figure 1. Cable routing when two processors installed		Figure 2. Cable routing when one processor installed
From	To	From	To
1Backplane 1: NVMe 0-1	1Onboard: PCIe 5	1Backplane 1: NVMe 0-1	1Onboard: PCIe 2
2Backplane 1: NVMe 2-3	2Onboard: PCIe 7	2Backplane 1: NVMe 2-3	2Onboard: PCIe 1
3Backplane 1: NVMe 4-5	3Onboard: PCIe 6	3Backplane 1: NVMe 4-5	3Onboard: PCIe 9
4Backplane 1: NVMe 6-7	4Onboard: PCIe 8	4Backplane 1: NVMe 6-7	4Onboard: PCIe 10, 11

Cable routing in balance mode​

Figure 3. Cable routing when two processors are installed in balance mode

From	To
1Backplane 1: NVMe 0-1	1Onboard: PCIe 2
2Backplane 1: NVMe 2-3	2Onboard: PCIe 1
3Backplane 1: NVMe 4-5	3Onboard: PCIe 4
4Backplane 1: NVMe 6-7	4Onboard: PCIe 3