12 x 3.5" SAS/SATA + 8 x 2.5" NVMe

This topic provides cable routing information for the front 12 x 3.5-inch SAS/SATA + middle 8 x 2.5-inch NVMe configuration with one 16i RAID/HBA adapter.

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

Front backplane cable routing

Figure 1. Cable routing to 16i RAID/HBA adapter

From	To
1 Backplane 1: SAS 0, SAS 1	1 16i adapter Gen 4: C0 Gen 3: C0C1
2 Backplane 1: SAS 2	2 16i adapter Gen 4: C1 Gen 3: C2

Middle backplane cable routing

Figure 2. Middle backplane signal cable routing		Figure 3. Middle backplane power cable routing
From	To	From	To
1 Backplane 5: NVMe 0-1	1 Onboard: PCIe 5	1 Backplane 5: PWR Backplane 6: PWR	1 Onboard: rear backplane power Onboard: rear backplane sideband Riser 1: PWR
2 Backplane 5: NVMe 2-3	2 Onboard: PCIe 7
3 Backplane 6: NVMe 0-1	3 Onboard: PCIe 6
4 Backplane 6: NVMe 2-3	4 Onboard: PCIe 8