Dell PowerEdge R430 Owner's Manual page 111

Figure 45. Removing and Installing the 3.5 inch or 2.5 inch (x4) SAS/SATA backplane
1. guide (2)
3. release tab (2)
5. backplane signal cable
7. hard-drive/SSD connector (4)
2. hard-drive/SSD backplane
4. backplane power cable
6. SAS_A connector on the backplane
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