Riser 3/4/5 + Retimer card

The following shows the cable connections for the 8 x 2.5-inch NVMe configuration with riser 3, 4, and 5 and one retimer card.

To connect riser 3 and riser 4 cables, see Riser 3/4 cage.

To connect riser 5 cables, see Riser 5 cage.

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

Backplane cable routing​

Figure 1. Backplane cable routing

From	To
1 Backplane 1: NVMe 0-1	1 Onboard: PCIe 5
2 Backplane 1: NVMe 2-3	2 Onboard: PCIe 7
3 Backplane 1: NVMe 4-5	3 Retimer card: C0
4 Backplane 1: NVMe 6-7	4 Retimer card: C1