CFF expander + 8i RAID/HBA adapter

The following shows the cable connections for the 16 x 2.5" SAS/SATA + 8 x 2.5" AnyBay (Gen 5) + 4 x 2.5" SAS/SATA configuration with one CFF expander and one 8i RAID/HBA adapter.

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

Front backplane cable routing​

SAS/SATA cable routing

Figure 1. SAS/SATA cable routing

From	To
1 Backplane 1: SAS	CFF expander C0
2 Backplane 2: SAS	C1
3 Backplane 3: SAS	C2
4 CFF expander: RAID/HBA	8i adapter Gen 4: C0 Gen 3: C0C1
5 CFF expander: PWR	Onboard: CFF EXP PWR

NVMe cable routing

Figure 2. Cable routing when two Platinum series processors installed with no riser 3		Figure 3. Cable routing in other scenarios
From	To	From	To
1 Backplane 3: NVMe 0-1	Onboard: PCIe 6	1 Backplane 3: NVMe 0-1, 2-3	Onboard: PCIe 4, 3
1 Backplane 3: NVMe 2-3	Onboard: PCIe 5	2 Backplane 3: NVMe 4-5	Onboard: PCIe 2
2 Backplane 3: NVMe 4-5	Onboard: PCIe 2	3 Backplane 3: NVMe 6-7	Onboard: PCIe 1
3 Backplane 3: NVMe 6-7	Onboard: PCIe 1

Rear backplane cable routing​

Figure 4. Rear backplane cable routing

From	To
1 Backplane 4: SAS	CFF expander C3
2 Backplane 4: PWR	Onboard: 7mm backplane power connector