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Server model with four 3.5-inch SAS/SATA drives

Use this section to understand the connectors on the backplane and internal cable routing for server model with four 3.5-inch SAS/SATA drives.

Figure 1. Connectors on the backplane for four 3.5-inch SAS/SATA drives
Connectors on the backplane for four 3.5-inch SAS/SATA drives

1 SAS connector2 Power connector

For power cable connection, see Power/Sideband cable routing.

Refer to the following cable routing for different configurations:

Four 3.5-inch SATA drives​

Figure 2. Cable routing for server model with four 3.5-inch SATA drives
Cable routing for server model with four 3.5-inch SATA drives

Note
When the SAS/SATA backplanes are connected to PCIe connectors on the system board, only SATA drives are supported. No SAS drives are supported.
CableFromTo
1 SAS signal cable for front backplaneSAS connector on the front backplanePCIe connector 7 on the system board

Four 3.5-inch SAS/SATA drives and one 8i RAID/HBA adapter​

Figure 3. Cable routing for server model with four 3.5-inch SAS/SATA drives and one 8i RAID/HBA adapter
Cable routing for server model with four 3.5-inch SAS/SATA drives and one 8i RAID/HBA adapter

Note
RAID/HBA adapters can be installed in PCIe slot 1 or internal riser assembly.
CableFromTo
1 SAS signal cable for front backplaneSAS connector on the front backplaneC0 connector on the RAID/HBA adapter

Four 3.5-inch SATA drives and rear SAS/SATA drive assembly​

Note

  • When the SAS/SATA backplanes are connected to PCIe connectors on the system board, only SATA drives are supported. No SAS drives are supported.

  • The cable routing illustration is based on the scenario that the rear hot-swap drive cage is installed. Depending on the model, the rear hot-swap drive cage might not be available on your server.

Figure 4. Cable routing for server model with four 3.5-inch SATA drives and rear SAS/SATA drive assembly
Cable routing for server model with four 3.5-inch SATA drives and rear SAS/SATA drive assembly

CableFromTo
1 SAS signal cable for front backplaneSAS connector on the front backplanePCIe connector 6 on the system board

Four 3.5-inch SAS/SATA drives, rear SAS/SATA drive assembly and one 8i RAID/HBA adapter​

Note
The cable routing illustration is based on the scenario that the rear hot-swap drive cage is installed. Depending on the model, the rear hot-swap drive cage might not be available on your server.
Figure 5. Cable routing for server model with four 3.5-inch SAS/SATA drives, rear SAS/SATA drive assembly and one 8i RAID/HBA adapter
Cable routing for server model with four 3.5-inch SAS/SATA drives, rear SAS/SATA drive assembly and one 8i RAID/HBA adapter

Note

  • RAID/HBA adapters can be installed in PCIe slot 1 or internal riser assembly.

  • When a Gen 4 RAID/HBA adapter is installed, ensure that you use the corresponding Gen 4 cable:

    ThinkSystem SR635 2.5” SAS/SATA 2-Bay Rear Backplane X40 RAID Cable Kit

CableFromTo
1 SAS signal cable for front backplaneSAS connector on the front backplaneThe RAID/HBA adapter

  • Gen 3: C0

  • Gen 4: C0

2 SAS signal cable for rear backplaneSAS connector on the rear backplaneThe RAID/HBA adapter

  • Gen 3: C1

  • Gen 4: C0

Four 3.5-inch SATA drives and rear NVMe drive assembly​

Note

  • When the SAS/SATA backplanes are connected to PCIe connectors on the system board, only SATA drives are supported. No SAS drives are supported.

  • The cable routing illustration is based on the scenario that the rear hot-swap drive cage is installed. Depending on the model, the rear hot-swap drive cage might not be available on your server.

Figure 6. Cable routing for server model with four 3.5-inch SATA drives and rear NVMe drive assembly
Cable routing for server model with four 3.5-inch SATA drives and rear NVMe drive assembly

CableFromTo
1 SAS signal cable for front backplaneSAS connector on the front backplanePCIe connector 7 on the system board
2 NVMe signal cable for rear backplaneNVMe connectors on the rear backplanePCIe connector 1 on the system board

Four 3.5-inch SAS/SATA drives, rear NVMe drive assembly and one 8i RAID/HBA adapter​

Note
The cable routing illustration is based on the scenario that the rear hot-swap drive cage is installed. Depending on the model, the rear hot-swap drive cage might not be available on your server.
Figure 7. Cable routing for server model with four 3.5-inch SAS/SATA drives, rear NVMe drive assembly and one 8i RAID/HBA adapter
Cable routing for server model with four 3.5-inch SAS/SATA drives, rear NVMe drive assembly and one 8i RAID/HBA adapter

Note

  • RAID/HBA adapters can be installed in PCIe slot 1 or internal riser assembly.

  • When a Gen 4 RAID/HBA adapter is installed, ensure that you use the corresponding Gen 4 cable:

    ThinkSystem SR635 3.5" SAS/SATA 4-Bay X40 RAID Cable Kit

CableFromTo
1 SAS signal cable for front backplaneSAS connector on the front backplaneC0 connector on the RAID/HBA adapter
2 NVMe signal cable for rear backplaneNVMe connectors on the rear backplanePCIe connector 1 on the system board

Four 3.5-inch SATA drives and middle drive cage​

Note

When the SAS/SATA backplanes are connected to PCIe connectors on the system board, only SATA drives are supported. No SAS drives are supported.

Figure 8. Cable routing for server model with four 3.5-inch SATA drives and middle drive cage
Cable routing for server model with four 3.5-inch SATA drives and middle drive cage

CableFromTo
1 SAS signal cable for front backplaneSAS connector on the front backplanePCIe connector 6 on the system board
2 NVMe signal cable for internal backplaneNVMe 2–3 connector on the internal backplanePCIe connector 9 on the system board
3 NVMe signal cable for internal backplaneNVMe 0–1 connector on the internal backplanePCIe connector 7 and PCIe connector 8 on the system board

Four 3.5-inch SAS/SATA drives, middle drive cage and one 8i RAID/HBA adapter​

Figure 9. Cable routing for server model with four 3.5-inch SAS/SATA drives, middle drive cage and one 8i RAID/HBA adapter
Cable routing for server model with four 3.5-inch SAS/SATA drives, middle drive cage and one 8i RAID/HBA adapter

Note

When a Gen 4 RAID/HBA adapter is installed, ensure that you use the corresponding Gen 4 cable:

ThinkSystem SR635 3.5" SAS/SATA 4-Bay X40 RAID Cable Kit

CableFromTo
1 SAS signal cable for front backplaneSAS connector on the front backplaneC0 connector on the RAID/HBA adapter
2 NVMe signal cable for internal backplaneNVMe 2–3 connector on the internal backplanePCIe connector 9 on the system board
3 NVMe signal cable for internal backplaneNVMe 0–1 connector on the internal backplanePCIe connector 7 and PCIe connector 8 on the system board