Dell PowerEdge R630 Owner's Manual page 135

Figure 83. Cabling diagram—1.8-inch (x24) hard drive systems
1. SAS backplane
3. SAS backplane expander card
5. SD signal cable connector
7. integrated storage controller card
9. SAS connector on system board
Related references
Safety instructions
Related tasks
Before working inside your system
Installing the hard drive backplane
2. SD signal cable connector
4. SD signal cable connector
6. system board
8. SAS connector on system board
Installing and removing system components 135