Dell PowerEdge R920 Owner's Manual page 106

5. backplane hook (8)
Figure 62. Cabling—2.5 Inch (x4) SAS/SATA Backplane with PERC 9
1. SAS cable connector on the integrated storage
controller card
3. system board
5. x4 hard drive backplane
106
6. jumper connector to the expander daughter
card
2. integrated storage controller card (PERC 9)
4. cable management tray
6. SAS connector on the backplane