'Single SAS cable to connect a Hardware RAID Controller to a Hot-Swap Backplane (Mini-SAS HD connectors)
Important:
1x cable needed for 4x 3.5'' Hot-Swap HDD Backplane
2x cables needed for 8x 2.5''...
'Adds an additional 8x 2.5'' Hot-Swap SAS/SATA HDD Bays to the ThinkSystem ST550
The kit contains the backplane and the necessary cables.
Connection to a RAID Controller or HBA is required'