Cable routing for M.2 SATA/NVMe drive PCIe 3.0 backplane
From To
1  M.2 signal connector and power connector 
1  PCIe connector 8 and M.2 power connector on the 
system board (system board assembly)
Cable routing for backplane power
Use the section to understand the power cable routing for both front and rear drive backplanes.
•  The backplanes your server supports require power connection. This section singles out the power 
connection from signal connection for better understanding.
•  For the locations of backplane power connectors the processor board, see 
“System-board-assembly 
connectors” on page 21
for details.
Chapter 6. Internal cable routing 165