Dell R820 owner manual PCIe SSD C connector, PCIe SSD B connector, inch x4 PCIe SSD backplane

1.	PCIe SSD A connector	5.	PCIe SSD C connector
2.	power connector	6.	PCIe SSD B connector

3.signal connector

4.PCIe SSD D connector

Figure 59. Cabling Diagram—2.5 Inch (x8) SAS/SATA Hard-Drive and (x4) PCIe SSD Backplane

1.	cable securing guide	10.	2.5 inch x4 PCIe SSD backplane
2.	PERC card	11.	SAS B connector
3.	system board	12.	signal connector
4.	PERC card	13.	2.5 inch x8 hard drive backplane
5.	PCIe A	14.	SAS A connector
6.	cable retention bracket	15.	power connector
7.	signal connector	16.	cable retention bracket

8.power connector

9.PCIe A

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