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Server model with 24 x 2.5-inch front drive bays (SAS/SATA)

This section provides cable routing information for the server model with three 8 x 2.5-inch SAS/SATA front drive backplanes.

Configuration 1: three 8 x 2.5" SAS/SATA front backplanes, one 24i RAID adapter

Figure 1. Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes and one 24i RAID adapter
Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes and one 24i RAID adapter

CableFromTo
1 SAS signal cableSAS 0 connector on the backplane 1Connector C0 on the 24i RAID adapter
SAS 1 connector on the backplane 1Connector C1 on the 24i RAID adapter
2 SAS signal cableSAS 0 connector on the backplane 2Connector C2 on the 24i RAID adapter
SAS 1 connector on the backplane 2Connector C3 on the 24i RAID adapter
3 SAS signal cableSAS 0 connector on the backplane 3Connector C4 on the 24i RAID adapter
SAS 1 connector on the backplane 3Connector C5 on the 24i RAID adapter

Configuration 2: three 8 x 2.5" SAS/SATA front backplanes, two RAID/HBA adapters (8i+16i)

Figure 2. Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes and two RAID/HBA adapters (8i+16i)
Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes 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:

ThinkSystem SR655 2.5" SAS/SATA 8-Bay X40 RAID Cable Kit

CableFromTo
1 SAS signal cableSAS 0 connector on the backplane 1
The 8i RAID/HBA adapter
  • Gen 3:C0

  • Gen 4:C0

SAS 1 connector on the backplane 1
The 8i RAID/HBA adapter
  • Gen 3:C1

  • Gen 4:C0

2 SAS signal cableSAS 0 connector on the backplane 2
The 16i RAID/HBA adapter
  • Gen 3:C0

  • Gen 4:C0

SAS 1 connector on the backplane 2
The 16i RAID/HBA adapter
  • Gen 3:C1

  • Gen 4:C0

3 SAS signal cableSAS 0 connector on the backplane 3
The 8i RAID/HBA adapter
  • Gen 3:C2

  • Gen 4:C1

SAS 1 connector on the backplane 3
The 16i RAID/HBA adapter
  • Gen 3:C3

  • Gen 4:C1

Configuration 3: three 8 x 2.5" SAS/SATA front backplanes, three 8i RAID/HBA adapters

Figure 3. Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes and three 8i RAID/HBA adapters
Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes and three 8i RAID/HBA adapters

Note

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

ThinkSystem SR655 2.5" SAS/SATA 8-Bay X40 RAID Cable Kit

CableFromTo
1 SAS signal cableSAS 0 connector on the backplane 1
The 8i RAID/HBA adapter on the internal riser card
  • Gen 3:C0

  • Gen 4:C0

SAS 1 connector on the backplane 1
The 8i RAID/HBA adapter on the internal riser card
  • Gen 3:C1

  • Gen 4:C0

2 SAS signal cableSAS 0 connector on the backplane 2
The 8i RAID/HBA adapter on riser card 1
  • Gen 3:C0

  • Gen 4:C0

SAS 1 connector on the backplane 2
The 8i RAID/HBA adapter on riser card 1
  • Gen 3:C1

  • Gen 4:C0

3 SAS signal cableSAS 0 connector on the backplane 3
The 8i RAID/HBA adapter on riser card 2
  • Gen 3:C0

  • Gen 4:C0

SAS 1 connector on the backplane 3
The 8i RAID/HBA adapter on riser card 2
  • Gen 3:C1

  • Gen 4:C0

Configuration 4: three 8 x 2.5" SAS/SATA front backplanes, one rear drive cage (SAS/SATA), two RAID/HBA adapters (8i+24i)

This configuration supports one rear 2.5-inch drive cage with a 4 x 2.5-inch SAS/SATA drive backplane.

Figure 4. Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes, one rear drive cage, and two RAID/HBA adapters (8i+24i)
Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes, one rear drive cage, and two RAID/HBA adapters (8i+24i)

CableFromTo
1 SAS signal cableSAS 0 connector on the backplane 1Connector C0 on the 24i RAID adapter
SAS 1 connector on the backplane 1Connector C1 on the 24i RAID adapter
2 SAS signal cableSAS 0 connector on the backplane 2Connector C2 on the 24i RAID adapter
SAS 1 connector on the backplane 2Connector C3 on the 24i RAID adapter
3 SAS signal cableSAS 0 connector on the backplane 3Connector C4 on the 24i RAID adapter
SAS 1 connector on the backplane 3Connector C5 on the 24i RAID adapter
4 SAS signal cableSAS connector on the rear backplaneConnector C0 on the 8i RAID/HBA adapter

Configuration 5: three 8 x 2.5" SAS/SATA front backplanes, one rear drive cage (SAS/SATA), four 8i RAID/HBA adapters

This configuration supports one rear 2.5-inch drive cage with a 4 x 2.5-inch SAS/SATA drive backplane.

Figure 5. Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes, one rear drive cage, and four 8i RAID/HBA adapters
Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes, one rear drive cage, and four 8i RAID/HBA adapters

Note

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

For cable 1, 2, and 3: ThinkSystem SR655 2.5" SAS/SATA 8-Bay X40 RAID Cable Kit

For cable 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 backplane 1
The 8i RAID/HBA adapter on the internal riser card
  • Gen 3:C0

  • Gen 4:C0

SAS 1 connector on the backplane 1
The 8i RAID/HBA adapter on the internal riser card
  • Gen 3:C1

  • Gen 4:C0

2 SAS signal cableSAS 0 connector on the backplane 2
The 8i RAID/HBA adapter on riser card 1
  • Gen 3:C0

  • Gen 4:C0

SAS 1 connector on the backplane 2
The 8i RAID/HBA adapter on riser card 1
  • Gen 3:C1

  • Gen 4:C0

3 SAS signal cableSAS 0 connector on the backplane 3
The 8i RAID/HBA adapter in slot 4 on riser card 2
  • Gen 3:C0

  • Gen 4:C0

SAS 1 connector on the backplane 3
The 8i RAID/HBA adapter in slot 4 on riser card 2
  • Gen 3:C1

  • Gen 4:C0

4 SAS signal cableSAS connector on the rear backplane
The 8i RAID/HBA adapter in slot 5 on riser card 2
  • Gen 3:C0

  • Gen 4:C0

Configuration 6: three 8 x 2.5" SAS/SATA front backplanes, one middle drive cage (SAS/SATA), two RAID/HBA adapters (8i+24i)

This configuration supports one middle 2.5-inch drive cage with two 4 x 2.5-inch SAS/SATA drive backplanes.

Figure 6. Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes, one middle drive cage, and two RAID/HBA adapters (8i+24i)
Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes, one middle drive cage, and two RAID/HBA adapters (8i+24i)

Note

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

For cable 4 and 5: 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 backplane 1Connector C0 on the 24i RAID adapter
SAS 1 connector on the backplane 1Connector C1 on the 24i RAID adapter
2 SAS signal cableSAS 0 connector on the backplane 2Connector C2 on the 24i RAID adapter
SAS 1 connector on the backplane 2Connector C3 on the 24i RAID adapter
3 SAS signal cableSAS 0 connector on the backplane 3Connector C4 on the 24i RAID adapter
SAS 1 connector on the backplane 3Connector C5 on the 24i RAID adapter
4 SAS signal cableSAS connector on the middle backplane 1
The 8i RAID/HBA adapter
  • Gen 3:C0

  • Gen 4:C0

5 SAS signal cableSAS connector on the middle backplane 2
The 8i RAID/HBA adapter
  • Gen 3:C1

  • Gen 4:C0

Configuration 7: three 8 x 2.5" SAS/SATA front backplanes, one middle drive cage (SAS/SATA), four 8i RAID/HBA adapters

This configuration supports one middle 2.5-inch drive cage with two 4 x 2.5-inch SAS/SATA drive backplanes.

Figure 7. Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes, one middle drive cage, and four 8i RAID/HBA adapters
Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes, one middle drive cage, and four 8i RAID/HBA adapters

Note

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

For cable 1, 2, and 3: ThinkSystem SR655 2.5" SAS/SATA 8-Bay X40 RAID Cable Kit

For cable 4 and 5: ThinkSystem SR655 2.5" & 3.5" SAS/SATA 4/8-Bay Middle Backplane X40 RAID Cable Kit

CableFromTo
1 SAS signal cableSAS 0 connector on the backplane 1
The 8i RAID/HBA adapter on the internal riser card
  • Gen 3:C0

  • Gen 4:C0

SAS 1 connector on the backplane 1
The 8i RAID/HBA adapter on the internal riser card
  • Gen 3:C1

  • Gen 4:C0

2 SAS signal cableSAS 0 connector on the backplane 2
The 8i RAID/HBA adapter on riser card 1
  • Gen 3:C0

  • Gen 4:C0

SAS 1 connector on the backplane 2
The 8i RAID/HBA adapter on riser card 1
  • Gen 3:C1

  • Gen 4:C0

3 SAS signal cableSAS 0 connector on the backplane 3
The 8i RAID/HBA adapter in slot 4 on riser card 2
  • Gen 3:C0

  • Gen 4:C0

SAS 1 connector on the backplane 3
The 8i RAID/HBA adapter in slot 4 on riser card 2
  • Gen 3:C1

  • Gen 4:C0

4 SAS signal cableSAS connector on the middle backplane 1
The 8i RAID/HBA adapter in slot 5 on riser card 2
  • Gen 3:C0

  • Gen 4:C0

5 SAS signal cableSAS connector on the middle backplane 2
The 8i RAID/HBA adapter in slot 5 on riser card 2
  • Gen 3:C1

  • Gen 4:C0

Configuration 8: three 8 x 2.5" SAS/SATA front backplanes, one 32i RAID adapter

Figure 8. Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes and one 32i RAID adapter
Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes and one 32i RAID adapter

Note

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

ThinkSystem SR655 2.5" SAS/SATA 8-Bay X40 RAID Cable Kit

CableFromTo
1 SAS signal cableSAS 0 and SAS 1 connectors on the backplane 1Connector C0 on the 32i RAID adapter
2 SAS signal cableSAS 0 and SAS 1 connectors on the backplane 2Connector C1 on the 32i RAID adapter
3 SAS signal cableSAS 0 and SAS 1 connectors on the backplane 3Connector C2 on the 32i RAID adapter

Configuration 9: three 8 x 2.5" SAS/SATA front backplanes, one rear drive cage (SAS/SATA), two RAID/HBA adapters (8i+32i)

This configuration supports one rear 2.5-inch drive cage with a 4 x 2.5-inch SAS/SATA drive backplane.

Figure 9. Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes, one rear drive cage, and two RAID/HBA adapters (8i+32i)
Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes, one rear drive cage, and two RAID/HBA adapters (8i+32i)

Note

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

For cable 1, 2, and 3: ThinkSystem SR655 2.5" SAS/SATA 8-Bay X40 RAID Cable Kit

For cable 4: 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 backplane 1Connector C0 on the 32i RAID adapter
2 SAS signal cableSAS 0 and SAS 1 connectors on the backplane 2Connector C1 on the 32i RAID adapter
3 SAS signal cableSAS 0 and SAS 1 connectors on the backplane 3Connector C2 on the 32i RAID adapter
4 SAS signal cableSAS connector on the rear backplaneConnector C0 on the 8i RAID/HBA adapter

Configuration 10: three 8 x 2.5" SAS/SATA front backplanes, one middle drive cage (SAS/SATA), two RAID/HBA adapters (8i+32i)

This configuration supports one middle 2.5-inch drive cage with two 4 x 2.5-inch SAS/SATA drive backplanes.

Figure 10. Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes, one middle drive cage, and two RAID/HBA adapters (8i+32i)
Cable routing for configuration with three 8 x 2.5" SAS/SATA front backplanes, one middle drive cage, and two RAID/HBA adapters (8i+32i)

Note

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

For cable 1, 2, and 3: ThinkSystem SR655 2.5" SAS/SATA 8-Bay X40 RAID Cable Kit

For cable 4: ThinkSystem SR655 2.5" & 3.5" SAS/SATA 4/8-Bay Middle Backplane X40 RAID Cable Kit

CableFromTo
1 SAS signal cableSAS 0 and SAS 1 connectors on the backplane 1Connector C0 on the 32i RAID adapter
2 SAS signal cableSAS 0 and SAS 1 connectors on the backplane 2Connector C1 on the 32i RAID adapter
3 SAS signal cableSAS 0 and SAS 1 connectors on the backplane 3Connector C2 on the 32i RAID adapter
4 SAS signal cableSAS connector on the middle backplane 1Connector C0 on the 8i RAID/HBA adapter
SAS connector on the middle backplane 2