Dell External OEMR R620 Owner's Manual page 83

Figure 42. Cabling Diagram—Systems With the 2.5 Inch (x4 SAS and x2 PCIe SSD) Hard-Drive Backplane
1. cable retention bracket
2. system board
3. PCIe SSD card
4. integrated SAS controller card
Figure 43. Removing and Installing the 2.5 Inch (x8) Hard-Drive Backplane
5. SAS connector on system board
6. SAS and PCIe SSD backplane
83