Backplanes - Lenovo ThinkSystem SR665 V3 User Manual

Figure 447. SAS/SATA cable routing
From
Backplane 1: SAS
1
Backplane 2: SAS
2
Backplane 3: SAS
3
Two 8 x SAS/SATA and one 8 x NVMe (Gen 4) 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 4) 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
• "16i RAID/HBA adapter" on page 423
• "CFF 16i RAID/HBA adapter" on page 425
8i RAID/HBA adapter
The following shows the cable connections for the front (16 x 2.5-inch SAS/SATA + 8 x 2.5-inch Gen 4
NVMe) configuration with two 8i RAID/HBA adapters.
To
8i adapter: C0
1
8i adapter: C0
2
8i adapter: C0
3
Figure 448. 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
Chapter 6
To
Retimer card: C0
1
Retimer card: C1
2
Onboard: PCIe 9
3
Onboard: PCIe 10, 11
4
.
Internal cable routing
421