Lenovo ThinkSystem SR650 V2 - 12 X 3.5-Inch Anybay Front Drive Bays

Middle backplanes: 8 x 2.5-inch NVMe
The following shows the cable connections for the two 4 x 2.5-inch NVMe drive backplanes with onboard
connectors.
From To
Backplane 5: NVMe 0-1, 2-3
Onboard: PCIe 1, PCIe 2
Backplane 6: NVMe 0-1, 2-3
Onboard: PCIe 3, PCIe 4
Backplane 5: PWR
Riser 2: PWR1, PWR2
Backplane 6: PWR
Connections between connectors:
1 ↔ 1 , 2 ↔ 2 , 3 ↔ 3 , ... n ↔ n
Figure 135. Cable routing for the two 4 x 2.5-inch NVMe middle drive backplanes
12 x 3.5-inch Anybay front drive bays
This section provides cable routing information for the server model with 12 x 3.5-inch Anybay front drive
bays.
Refer to the specific topic for signal cable connections depending on the backplanes you have installed.
• “Front backplane: 12 x 3.5-inch Anybay” on page 178
• “Rear backplane: 4 x 3.5-inch SAS/SATA” on page 180
• “Middle and rear backplanes: 4 x 3.5-inch SAS/SATA + 4 x 3.5-inch SAS/SATA” on page 183
Chapter 3. Internal cable routing 177