Dell PowerEdge R920 Owner's Manual page 105

Figure 60. Removing and Installing the 2.5 Inch (x16) SAS/SATA and (x8) PCIe SSD Backplane
1. release tab (2)
3. system board miscellaneous signal cable
5. SAS connector
7. backplane hook (8)
Figure 61. 2.5 Inch (x16) SAS/SATA and (x8) PCIe SSD Backplane—Front view
1. hard drive connector
3. hard drive connector
2. backplane jumper connector
4. primary PCIe SSD extender mini-SAS HD
connector (4)
6. secondary PCIe SSD extender mini-SAS HD
connector (4)
8. backplane power connector
2. SAS connector
4. backplane loop (2)
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