Lenovo ThinkSystem SR665, Setup Manual

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16 x 2.5-inch front drive bays (NVMe)
This section provides cable routing information for the server model with 16 x 2.5-inch NVMe front drive
bays.
The server model is configured with two 8 x 2.5-inch AnyBay backplanes (BP 1 and BP 2). Below lists the
supported configuration with these two front drive backplanes.
Note:
The two AnyBay backplanes are used as two pure NVMe backplanes.
Configuration
Storage controller
Qty. Type
Config. 1
1 PCIe switch
The following table shows the cable connections for all configurations:
Configuration 1: (front drive bays only)
Config.
Front BP
System board
Storage controller
PCIe switch
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, C1
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
Chapter 3
.
Internal cable routing
83