Cable routing for M.2 SATA/NVMe x4 backplane
From To
1 M.2 power 1 M.2 power connector
2 M.2 signal
2 7mm/M.2 signal port on the processor board (for SATA
signal)
3 PCIe 8 (for NVMe signal, connected when two
processors are installed)
4 PCIe 1 (for NVMe signal, connected when one
processor is installed)
Note: The illustrations above take the M.2 drive assembly in the 2.5/3.5-inch drive chassis for an example. In
the 16-EDSFF drive chassis, the cable routing method remains the same.
M.2 backplane to SFF RAID adapters
See this section to understand the cable routing between an M.2 drive backplane and an SFF RAID adapter.
Chapter 6. Internal cable routing 269
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