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Server model with 12 x 3.5-inch front drive bays (SAS/SATA)

This section provides cable routing information for the server model with one 12 x 3.5-inch SAS/SATA front backplane.

Configuration 1: one 12 x 3.5" SAS/SATA front backplane, onboard connections​

Figure 1. Cable routing for configuration with one 12 x 3.5" SAS/SATA front backplane

CableFromTo
1 SAS signal cableSAS 0 and SAS 1 connectors on the backplanePCIe connector 6 on the system board
2 SAS signal cableSAS 2 connector on the backplanePCIe connector 7 on the system board
Note
When the SAS/SATA backplane is connected to PCIe connectors on the system board, only SATA drives are supported. No SAS drives are supported.

Configuration 2: one 12 x 3.5" SAS/SATA front backplane, one 16i RAID/HBA adapter​

Note
The RAID/HBA adapter can be installed on the riser card 1 (scenario 1) or riser card 2 (scenario 2). The following illustration shows the cable connections for scenario 1. The cable connections are the same for scenario 2.
Figure 2. Cable routing for configuration with one 12 x 3.5" SAS/SATA front backplane and one 16i RAID/HBA adapter

Note

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

ThinkSystem SR655 3.5" SAS/SATA 12-Bay X40 RAID Cable Kit

CableFromTo
1 SAS signal cableSAS 0 connector on the backplane

The RAID/HBA adapter

  • Gen 3：C0

  • Gen 4：C0

SAS 1 connector on the backplane

The RAID/HBA adapter

  • Gen 3：C1

  • Gen 4：C0

2 SAS signal cableSAS 2 connector on the backplane

The RAID/HBA adapter

  • Gen 3：C2

  • Gen 4：C1

Configuration 3: one 12 x 3.5" SAS/SATA front backplane, one rear drive cage (SAS/SATA)​

Note
This configuration supports one rear 3.5-inch SAS/SATA drive cage (scenario 1) or rear 2.5-inch SAS/SATA drive cage (scenario 2). The following illustration shows the cable connections for scenario 1. The cable connections are the same for scenario 2.
Figure 3. Cable routing for configuration with one 12 x 3.5" SAS/SATA front backplane and one rear drive cage (SAS/SATA)

CableFromTo
1 SAS signal cableSAS 0 and SAS 1 connectors on the front backplanePCIe connector 6 on the system board
2 SAS signal cableSAS 2 connector on the front backplanePCIe connector 7 on the system board
3 SAS signal cableSAS connector on the rear backplanePCIe connector 8 on the system board
Note
When the SAS/SATA backplane is connected to PCIe connectors on the system board, only SATA drives are supported. No SAS drives are supported.

Configuration 4: one 12 x 3.5" SAS/SATA front backplane, one rear drive cage (SAS/SATA), one 16i RAID/HBA adapter​

Note
This configuration supports one rear 3.5-inch SAS/SATA drive cage (scenario 1) or rear 2.5-inch SAS/SATA drive cage (scenario 2). The following illustration shows the cable connections for scenario 1. The cable connections are the same for scenario 2.
Figure 4. Cable routing for configuration with one 12 x 3.5" SAS/SATA front backplane, one rear drive cage, and one 16i RAID/HBA adapter

Note

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

For cable 1: ThinkSystem SR655 3.5" SAS/SATA 12-Bay X40 RAID Cable Kit

For cable 2 and 3: ThinkSystem SR655 2.5" & 3.5" SAS/SATA 4-Bay Rear Backplane X40 RAID Cable Kit

CableFromTo
1 SAS signal cableSAS 0 connector on the front backplane

The RAID/HBA adapter

  • Gen 3：C0

  • Gen 4：C0

SAS 1 connector on the front backplane

The RAID/HBA adapter

  • Gen 3：C1

  • Gen 4：C0

2 SAS signal cableSAS 2 connector on the front backplane

The RAID/HBA adapter

  • Gen 3：C2

  • Gen 4：C1

3 SAS signal cableSAS connector on the rear backplane

The RAID/HBA adapter

  • Gen 3：C3

  • Gen 4：C1

Configuration 5: one 12 x 3.5" SAS/SATA front backplane, one rear drive cage (SAS/SATA), two RAID/HBA adapters (8i+16i)​

Note
This configuration supports one rear 3.5-inch SAS/SATA drive cage (scenario 1) or rear 2.5-inch SAS/SATA drive cage (scenario 2). The following illustration shows the cable connections for scenario 1. The cable connections are the same for scenario 2.
Figure 5. Cable routing for configuration with one 12 x 3.5" SAS/SATA front backplane, one drive cage, and two RAID/HBA adapters (8i+16i)
Cable routing for configuration with one 12 x 3.5" SAS/SATA front backplane, one drive cage, and two RAID/HBA adapters (8i+16i)

Note

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

For cable 1 and 2: ThinkSystem SR655 3.5" SAS/SATA 12-Bay X40 RAID Cable Kit

For cable 3: ThinkSystem SR655 2.5" & 3.5" SAS/SATA 4-Bay Rear Backplane X40 RAID Cable Kit

CableFromTo
1 SAS signal cableSAS 0 connector on the front backplane

The 16i RAID/HBA adapter

  • Gen 3：C0

  • Gen 4：C0

SAS 1 connector on the front backplane

The 16i RAID/HBA adapter

  • Gen 3：C1

  • Gen 4：C0

2 SAS signal cableSAS 2 connector on the front backplane

The 16i RAID/HBA adapter

  • Gen 3：C2

  • Gen 4：C1

3 SAS signal cableSAS connector on the rear backplane

The 8i RAID/HBA adapter

  • Gen 3：C0

  • Gen 4：C0

Configuration 6: one 12 x 3.5" SAS/SATA front backplane, one rear drive cage (SAS/SATA), one middle drive cage (SAS/SATA), one 24i RAID adapter​

Note
This configuration supports one middle 3.5-inch SAS/SATA drive cage and one rear 3.5-inch SAS/SATA drive cage (scenario 1) or rear 2.5-inch SAS/SATA drive cage (scenario 2). The following illustration shows the cable connections for scenario 1. The cable connections are the same for scenario 2.
Figure 6. Cable routing for configuration with one 12 x 3.5" SAS/SATA front backplane, one rear drive cage, one middle drive cage, and one 24i RAID adapter
Cable routing for configuration with one 12 x 3.5" SAS/SATA front backplane, one rear drive cage, one middle drive cage, and one 24i RAID adapter

CableFromTo
1 SAS signal cableSAS 0 connector on the front backplaneConnector C0 on the 24i RAID adapter
SAS 1 connector on the front backplaneConnector C1 on the 24i RAID adapter
2 SAS signal cableSAS 2 connector on the front backplaneConnector C2 on the 24i RAID adapter
3 SAS signal cableSAS connector on the rear backplaneConnector C3 on the 24i RAID adapter
4 SAS signal cableSAS connector on the middle backplaneConnector C4 on the 24i RAID adapter

Configuration 7: one 12 x 3.5" SAS/SATA front backplane, one rear drive cage (SAS/SATA), one middle drive cage (SAS/SATA), two RAID/HBA adapters (8i+16i)​

Note
This configuration supports one middle 3.5-inch SAS/SATA drive cage and one rear 3.5-inch SAS/SATA drive cage (scenario 1) or rear 2.5-inch SAS/SATA drive cage (scenario 2). The following illustration shows the cable connections for scenario 1. The cable connections are the same for scenario 2.
Figure 7. Cable routing for configuration with one 12 x 3.5" SAS/SATA front backplane, one rear drive cage, one middle drive cage, and two RAID/HBA adapters (8i+16i)

Note

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

For cable 1 and 2: ThinkSystem SR655 3.5" SAS/SATA 12-Bay X40 RAID Cable Kit

For cable 3 and 4: ThinkSystem SR655 2.5" & 3.5" SAS/SATA 4-Bay Rear Backplane X40 RAID Cable Kit

CableFromTo
1 SAS signal cableSAS 0 connector on the front backplane

The 16i RAID/HBA adapter

  • Gen 3：C0

  • Gen 4：C0

SAS 1 connector on the front backplane

The 16i RAID/HBA adapter

  • Gen 3：C1

  • Gen 4：C0

2 SAS signal cableSAS 2 connector on the front backplane

The 16i RAID/HBA adapter

  • Gen 3：C2

  • Gen 4：C1

3 SAS signal cableSAS connector on the rear backplane

The 8i RAID/HBA adapter

  • Gen 3：C0

  • Gen 4：C0

4 SAS signal cableSAS connector on the middle backplane

The 8i RAID/HBA adapter

  • Gen 3：C1

  • Gen 4：C0

Configuration 8: one 12 x 3.5" SAS/SATA front backplane, one rear drive cage (SAS/SATA), one middle drive cage (SAS/SATA), one 32i RAID adapter​

Note
This configuration supports one middle 3.5-inch SAS/SATA drive cage and one rear 3.5-inch SAS/SATA drive cage (scenario 1) or rear 2.5-inch SAS/SATA drive cage (scenario 2). The following illustration shows the cable connections for scenario 1. The cable connections are the same for scenario 2.
Figure 8. Cable routing for configuration with one 12 x 3.5" SAS/SATA front backplane, one rear drive cage, one middle drive cage, and one 32i RAID adapter
Cable routing for configuration with one 12 x 3.5" SAS/SATA front backplane, one rear drive cage, one middle drive cage, and one 32i RAID adapter

Note

The 32i RAID adapter belongs to Gen 4. Ensure that you use the corresponding Gen 4 cable:

For cable 1 and 2: ThinkSystem SR655 3.5" SAS/SATA 12-Bay X40 RAID Cable Kit

For cable 3: ThinkSystem SR655 2.5" & 3.5" SAS/SATA 4-Bay Rear Backplane X40 RAID Cable Kit

CableFromTo
1 SAS signal cableSAS 0 and SAS 1 connectors on the front backplaneConnector C0 on the 32i RAID adapter
2 SAS signal cableSAS 2 connector on the front backplaneConnector C1 on the 32i RAID adapter
3 SAS signal cableSAS connector on the rear backplaneConnector C3 on the 32i RAID adapter
SAS connector on the middle backplane