Dell PowerEdge T630 Owner's Manual page 127

Figure 56. Cabling—2.5 inch (x16) plus 2.5 inch (x4) SAS/SATA backplane
1. PCIe B cable on PCIe SSD backplane
3. SAS B connector on PERC
5. PCIe B cable PCIe bridge card
7. PCIe A cable on PCIe bridge card
9. PCIe SSD backplane power connector on
PDB
11. x16 backplane signal connector on
system board
13. SAS A connector on x16 backplane
15. power connector on x16 backplane
2. PCIe D cable on PCIe SSD backplane
4. SAS A connector on PERC
6. PCIe D cable on PCIe bridge card
8. PCIe C cable on PCIe bridge card
10. PCIe SSD backplane signal connector
on system board
12. x16 backplane power connector on
PDB
14. SAS B connector on x16 backplane
16. signal connector on x16 backplane
127