Lenovo ThinkSystem SR665, Setup Manual

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16 x 2.5-inch front drive bays (8NVMe)
This section provides cable routing information for the server model with 16 x 2.5-inch front drive bays
(8NVMe).
The server model is configured with two 8 x 2.5-inch AnyBay backplanes (BP 1 and BP 2). Below lists all
supported configurations with these two front drive backplanes.
Note:
The AnyBay backplane (BP 2) is used as pure NVMe backplane.
Configuration
Storage controller
Qty. Type
Config. 1
2
PCIe switch
+SFF 8i RAID/HBA
Config. 2
2
PCIe switch
+SFF 16i RAID/HBA
The following table shows the cable connections for all configurations:
Configuration 1 and 2: (front drive bays only)
Front
: one 8 x 2.5-inch AnyBay backplane and one 8 x 2.5-inch pure NVMe backplane
Con-
fig.
Front BP
System board
Storage controller
PCIe switch SFF 8i RAID/HBA
SFF 16i RAID/
HBA
1
BP 1: NVMe 0–1
PCIe 1, PCIe 2
BP 1: NVMe 2–3 PCIe 3
BP 1: NVMe 4–5, NVMe
6–7
C 0, C 1
BP 1: SAS
Gen 4: C 0
Gen3: C 0, C 1
BP 2: NVMe 0–1
PCIe 4, PCIe 5
BP 2: NVMe 2–3 PCIe 6
BP 2: NVMe 4–5 PCIe 7
BP 2: NVMe 6–7 PCIe 8
2
BP 1: NVMe 0–1
PCIe 1, PCIe 2
BP 1: NVMe 2–3 PCIe 3
BP 1: NVMe 4–5, NVMe
6–7
C 0, C 1
BP 1: SAS
Gen 4: C 0
Gen3: C 0, C 1
BP 2: NVMe 0–1
PCIe 4, PCIe 5
BP 2: NVMe 2–3 PCIe 6
BP 2: NVMe 4–5 PCIe 7
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ThinkSystem SR665 Setup Guide