Backplanes - Lenovo ThinkSystem SR665 V3 User Manual

Figure 455. Cable routing to CFF adapter
From
Backplane 1: SAS
1
Backplane 2: SAS
2
CFF adapter: MB (CFF
3
INPUT)
CFF adapter: PWR
4
Two 8 x SAS/SATA and one 8 x NVMe (Gen 5) backplanes
This section provides cable routing information for the server model with two 8 x 2.5-inch SAS/SATA and one
8 x 2.5-inch NVMe (Gen 5) front backplanes.
To connect power cables for the front backplane(s), refer to
drive bays" on page 312.
To connect signal cables for the front backplane(s), refer to the following cable routing scenarios depending
on your server configuration.
• "8i RAID/HBA adapter" on page 421
• "8i RAID/HBA adapter + Retimer card" on page 427
• "16i RAID/HBA adapter" on page 423
• "16i RAID/HBA adapter + Retimer card" on page 429
ThinkSystem SR665 V3 User Guide
426
To
CFF adapter
1
• C0
• C1
CFF adapter
2
• C2
• C3
Onboard: PCIe 5
3
Onboard: CFF RAID/
4
HBA PWR
Figure 456. NVMe cable routing
From
Backplane 3: NVMe 0-1
1
Backplane 3: NVMe 2-3
2
Backplane 3: NVMe 4-5
3
Backplane 3: NVMe 6-7
4
"Backplanes: server models with 2.5-inch front
To
Onboard: PCIe 6
1
Onboard: PCIe 8
2
Onboard: PCIe 9
3
Onboard: PCIe 10, 11
4