Dell PowerEdge R830 Owner's Manual page 141

Figure 83. Removing the 2.5 inch (x8) SAS/SATA backplane
1. hard drive connector on the backplane
3. hooks (3)
5. release tab
7. SAS cable (2)
9. mini SAS connector (2)
2. hard drive backplane
4. securing slots (3)
6. backplane power cable
8. backplane signal cable
141