Lenovo ThinkSystem SR650 V2 Maintenance Manual page 129

Onboard connectors + retimer card
The following shows the cable connections for the 8 x 2.5-inch SAS/SATA + 8 x 2.5-inch NVMe configuration
with one retimer card.
From
Backplane 1: SAS
Backplane 2: NVMe 0-1, 2-3
Backplane 2: NVMe 4-5, 6-7
Connections between connectors:
Figure 64. SAS/SATA cable routing
To
Onboard: SATA 0, SATA 1
Onboard: PCIe 1, PCIe 2
Retimer card on PCIe slot 1: C0, C1
↔ ↔ ↔
, , , ...
1 1 2 2 3 3
Figure 65. NVMe cable routing
↔
n n
.
Chapter 3 Internal cable routing
119