2.5-inch SAS/SATA 8-bay drive backplane kit
See this section to identify parts that are enclosed in the 2.5-inch SAS/SATA 8-bay drive backplane kit.
This option kit comes with the following components. 
Figure 29. 2.5-inch 8-bay SAS/SATA backplane kit
1  One power cable, 155 mm
2  One power cable, 220 mm
3  Eight one-bay drive fillers
4  One SAS/SATA label
5  Two screws
6  One 2.5-inch 8-bay SAS/SATA 
backplane
7  One drive backplane carrier
See the following to identify connectors on the drive backplane. 
Figure 30. SAS/SATA drive backplane connectors
1  SAS/SATA signal connector
2  Backplane power/configuration connector
Follow the instructions in “Install a drive backplane carrier assembly” on page 182 to install the option kit.
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ThinkSystem SR860 V2Setup Guide