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Two 8 x NVMe backplanes

This section provides cable routing information for the server model with two 8 x 2.5-inch NVMe front drive backplanes.

Onboard connectors + retimer card​

The following shows the signal cable connections for the 16 x 2.5-inch NVMe configuration with onboard connectors and one retimer card.

To connect power cables for the front backplane(s), refer to Backplanes: server models with 2.5-inch drive backplanes.

FromTo

Backplane 1: NVMe 0-1, 2-3

Onboard: PCIe 1, PCIe 2

Backplane 1: NVMe 4-5, 6-7

Retimer card on PCIe slot 1: C0, C1

Backplane 2: NVMe 0-1, 2-3

Onboard: PCIe 3, PCIe 4

Backplane 2: NVMe 4-5, 6-7

Onboard: PCIe 5, PCIe 6

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

Figure 1. Cable routing for 16 x 2.5-inch NVMe configuration with one retimer card
Cable routing for 16 x 2.5-inch NVMe configuration with one retimer card