Lenovo ThinkSystem SR645 - 2 Nvme)

10 x 2.5-inch front drive bays (8AnyBay + 2NVMe)
The server model is configured with one 10 x 2.5-inch AnyBay front drive backplane. Below lists all
supported configurations with this front drive backplane.
Note: 10 AnyBay backplane is used as “8AnyBay + 2NVMe” backplane.
Configuration option
Storage controller
Qty. Type
Config. 1
Config. 2
1 SFF 8i RAID/HBA
Table 20. Cable routing information for configuration 1 and 2
Config.
Front BP
System board
Storage controller
SFF 8i RAID/HBA
1
NVMe 0-1 PCIe 1, PCIe 2
NVMe 2-3
PCIe 3
NVMe 4-5
PCIe 7
NVMe 6-7
PCIe 8
NVMe 8-9
PCIe 6
SAS 0 PCIe 4
SAS 1 PCIe 5
2
NVMe 0-1
PCIe 1, PCIe 2
NVMe 2-3
PCIe 3
NVMe 4-5
PCIe 7
NVMe 6-7
PCIe 8
NVMe 8-9
PCIe 6
SAS 0, SAS 1
Gen 4: C 0
Gen 3: C 0, C 1
80 ThinkSystem SR645 Setup Guide