CFF expander + 8i RAID/HBA adapter + retimer card
Front backplanes: 16 x 2.5-inch SAS/SATA + 8 x 2.5-inch AnyBay
SAS/SATA cable routing
| From | To | 
|---|---|
| Backplane 1: SAS | CFF expander: C0 | 
| Backplane 2: SAS | CFF expander: C1 | 
| Backplane 3: SAS | CFF expander: C2 | 
| CFF expander: RAID/HBA | 8i RAID/HBA adapter on PCIe slot 2: 
 | 
| CFF expander: PWR | Onboard: EXP PWR | 
Connections between connectors: 1 ↔ 1, 2 ↔ 2, 3 ↔ 3, ... n ↔ n
Figure 1. SAS/SATA cable routing


NVMe cable routing
| From | To | 
|---|---|
| Backplane 3: NVMe 0-1, 2-3 | Onboard: PCIe 1, PCIe 2 | 
| Backplane 3: NVMe 4-5, 6-7 | Retimer card on PCIe slot 1: C0, C1 | 
Connections between connectors: 1 ↔ 1, 2 ↔ 2, 3 ↔ 3, ... n ↔ n
Figure 2. NVMe cable routing (one processor)


Rear backplane: 4 x 2.5-inch SAS/SATA
The following shows the cable connections for a rear 4 x 2.5-inch SAS/SATA backplane if installed.
| From | To | 
|---|---|
| Backplane 4: SAS | CFF expander: C3 | 
| Backplane 4: PWR | Riser 1: PWR1, PWR2 | 
Figure 3. Cable routing for the rear 4 x 2.5-inch SAS/SATA backplane


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