Front + middle backplanes: 24 x NVMe + 8 x NVMe
This section provides cable routing information for the 24 x NVMe (Gen 4) + 8 x NVMe configuration with
three retimer cards.
Connections between connectors:
1 ↔ 1 , 2 ↔ 2 , 3 ↔ 3 , ... n ↔ n
Front backplane cable routing
Figure 389. NVMe cable routing to onboard connectors and retimer
From To
1 Backplane 1: NVMe 0-1
Onboard: PCIe 10
2 Backplane 1: NVMe 2-3
Onboard: PCIe 9
3 Backplane 1: NVMe 4-5
Onboard: PCIe 8
4 Backplane 1: NVMe 6-7
Onboard: PCIe 7
5 Backplane 2: NVMe 0-1, 2-3 Onboard: PCIe 6, 5
6 Backplane 2: NVMe 4-5, 6-7 Onboard: PCIe 3, 4
7 Backplane 3: NVMe 0-1 Onboard: PCIe 2
8 Backplane 3: NVMe 2-3 Onboard: PCIe 1
9 Backplane 3: NVMe 4-5, 6-7 Retimer: C0, C1
386 ThinkSystem SR650 V3 User Guide
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