3.5-inch SAS/SATA/NVMe and NVMe 4-bay backplane
Figure 18. 3.5-inch SAS/SATA/NVMe and NVMe 4-bay 
backplane connectors
1  NVMe 0-1 connector
2  Power connector
3  NVMe 2-3 connector
4  SAS/SATA connector
3.5-inch drive backplate
Use this information to locate the connectors on the 3.5-inch drive backplate.
3.5-inch SAS/SATA 4-bay backplate
Figure 19. 3.5-inch SAS/SATA 4-bay backplate cables
1  Signal cable
2  Power cable
Power distribution board connectors
Use this information to locate the connectors on the power distribution board connectors.
Chapter 2. Server components 41