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4 x 2.5'' NVMe backplane (Gen 5)

Use this section to understand the NVMe backplane cable routing for server model with four 2.5'' front drives.

To connect power cables for a backplane for standard 2.5'' or 3.5'' drives, refer to Backplane power cable routing.

To connect signal cables for a backplane for standard 4 x 2.5'' front drives, refer to the following cable routing scenarios depending on your server configuration:

Cable routing for onboard configuration

Figure 1. Cable routing for onboard configuration of 4 x 2.5'' front NVMe drive bays (Gen 5)

Table 1. Mapping between backplane connectors and system board connectors for onboard configuration
BackplaneFromTo
Front BP (NVMe)1 NVMe 0–11 PCIe connector 3
2 NVMe 2–31 PCIe connector 4