Connecting LSI SAS9305-24I to SAS3 Backplane

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Can someone help me understand, how do I connect the LSI SAS9305-24I to SAS3 Backplane?


The backplane, 24-port BPN-SAS3-846EL1, has 2 Primary SAS ports and 2 Secondary SAS ports.




The HBA has 6 ports



The cables recommended by Supermicro and  Broadcom are 1 SFF-8643 connector on one end and 1 SFF-8643 on the other. There are no 1 to 6 breakout cables. Am I to understand that I can plug the cable into one of the primary ports on the backplane and into any one port on the HBA to get 24 drives connected? 


Broadcom cable reference for this card -

Supermicro backplane connectivity reference -



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