Identifying connectors
See this section to locate and identify the connectors on the electric boards.
Note: For the connectors on system board, see “System-board connectors” on page 34.
Drive backplane connectors
See this section to locate the connectors in the drive backplanes.
Four types of drive backplanes are supported in this server:
4-DW GPU Model supports: 
•  8x2.5-inch SAS/SATA/NVMe backplane
•  4x3.5-inch SAS/SATA/NVMe backplane
8-DW GPU Model supports: 
•  6x EDSFF NVMe backplane
SXM GPU Model supports: 
•  4x2.5-inch NVMe backplane
8x2.5-inch SAS/SATA/NVMe backplane
See this section to locate the connectors on the drive backplane.
1  NVMe 6-7
2  NVMe 4-5
3  SAS / SATA
4  Power connector
5  NVMe 2-3
6  NVMe 0-1
Figure 19. 8x2.5-inch SAS/SATA/NVMe backplane connectors
58 ThinkSystem SR670 V2 Maintenance Manual