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The following table shows the cable connections for all configurations:
Configuration 1, 2, 3, and 4: (front drive bays only)
Front: two 8 x 2.5-inch SAS/SATA backplanes and one 8 x 2.5-inch pure NVMe backplane
• SFF 8i RAID/HBA
• SFF 16i RAID/HBA
Co-
Front BP
nfig.
BP 1: SAS
BP 2: SAS
1
BP 3: NVMe 0–1
BP 3: NVMe 2–3
BP 3: NVMe 4–5
BP3: NVMe 6–7
BP 1: SAS
BP 2: SAS
2
BP 3: NVMe 0–1
BP 3: NVMe 2–3
BP 3: NVMe 4–5
BP3: NVMe 6–7
• CFF 16i RAID/HBA
• SFF 32i RAID/HBA
Co-
nfi-
Front BP
g.
BP 1/BP 2: SAS
BP 3: NVMe 0–1
3
BP 3: NVMe 2–3
BP 3: NVMe 4–5
BP3: NVMe 6–7
BP 1: SAS
BP 2: SAS
4
BP 3: NVMe 0–1
ThinkSystem SR665 Maintenance Manual
100
System board
SFF 8i RAID/HBA
Gen 4: C 0
Gen 3: C 0, C 1
Gen 4: C 0
Gen3: C 0, C 1
PCIe 1, PCIe 2
PCIe 3
PCIe 7
PCIe 8
PCIe 1, PCIe 2
PCIe 3
PCIe 7
PCIe 8
System board
CFF 16i RAID/HBA
C 0/C 2, C 1/C 3
PCIe 6
MB
PCIe 1, PCIe 2
PCIe 3
PCIe 7
PCIe 8
PCIe 1, PCIe 2
Storage controller
SFF 16i RAID/HBA
Gen 4: C 0
Gen3: C 0, C 1
Gen 4: C 1
Gen3: C 2, C 3
Storage controller
SFF 32i RAID/HBA
C 0
C 1
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