Lenovo ThinkSystem SR645 V3 - Page 186

Table 25. Mapping between one front AnyBay backplane and an SFF HBA/RAID adapter
Backplane From To
Front BP (SAS)
1 SAS 0, SAS 1 1 C0
2 SAS 2 2 C1
Front BP (NVMe)
3 NVMe 2–3
3 PCIe 2
4 NVMe 4–5
4 PCIe 1
5 NVMe 8–9
5 PCIe 7
6 NVMe 0–1
6 PCIe 3
7 NVMe 6–7
7 PCIe 4
176 ThinkSystem SR645 V3 User Guide