Lenovo ThinkSystem SR635 V3 - Page 251

Cable routing for M.2 SATA/NVMe drive PCIe 3.0 backplane
Figure 182. Cable routing for M.2 SATA drive PCIe 3.0 backplane
From To
1 M.2 signal connector and power connector
1 PCIe connector 9 and M.2 power connector on the
system board assembly
Chapter 6. Internal cable routing 241