4-DW GPU Model with 8x 2.5-inch drives cable routing
Follow the instructions in this section to learn how to do cable routing for 4-DW GPU Model with 8x 2.5-inch 
drives.
Identifying connectors
Go through the following sections to acquire necessary information before starting cable routing. 
•  For the connectors on system board, see “System-board connectors” on page 34.
•  For the connectors on the drive backplane, GPU distribution board, rear riser, and front I/O expansion 
board, see “Identifying connectors” on page 58.
4-DW GPU Model with 8x 2.5-inch drives configurations
Cable routing is different by configuration. See the table below for the configuration that matches your 
server, and refer to the corresponding cable routing guide.
Rear riser 1
Rear riser 2 installed 
with HBA/RAID 
adatper
Front I/O expansion 
board
Configurations
V
Configuration A
V V
Configuration A with HBA/RAID 
adapter
V
Configuration C
Refer to the corresponding cable routing guide: 
•  For Configuration A, see “Configuration A cable routing” on page 67
•  For Configuration A with HBA/RAID adapter, see “Configuration A with HBA/RAID adapter cable routing” 
on page 72
•  For Configuration C, see “Configuration C cable routing” on page 77
Chapter 3. Internal cable routing 65