Dell PowerEdge T620 Owner's Manual page 89

Figure 43. Cabling—3.5 Inch (x8) Plus 2.5 Inch (x4) SAS/SATA Backplane
1. PCIe B cable on PCIe SSD backplane
2. PCIe A cable on PCIe SSD backplane
3. SAS B cable from 3.5 inch backplane on PERC card
4. SAS A cable from 3.5 inch backplane on PERC card
5. PCIe D cable from PCIe SSD backplane to PCIe extender card
6. PCIe C cable from PCIe SSD backplane to PCIe extender card
7. PCIe B cable from PCIe SSD backplane to PCIe extender card
8. PCIe D cable from PCIe SSD backplane to PCIe extender card
9. PCIe SSD backplane power cable
10. x8 backplane power cable
11. x8 backplane signal cable
89