CFF expander + 8i/16i RAID/HBA adapter

This topic provides cable routing information for the 24 x 2.5-inch SAS/SATA + 8 x 2.5-inch SAS/SATA configuration with one CFF expander and one 8i/16i RAID/HBA adapter.

Front backplane cable routing​

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

Figure 1. SAS/SATA cable routing to CFF expander and 8i/16i adapter

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/16i adapter Gen 4: C0 Gen 3: C0C1
5 CFF expander: PWR	Onboard: CFF EXP PWR

Rear backplane cable routing​

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

Figure 2. Signal cable routing		Figure 3. Power cable routing
From	To	From	To
1 Backplane 4: SAS 0	CFF expander C4	1 Backplane 4: PWR	Onboard: backplane power Onboard: backplane sideband Riser 1: PWR
2 Backplane 4: SAS 1	C5