SAS3 Backplane question (Supermicro BPN-SAS3-826EL1)

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VirtualBacon

Member
Aug 21, 2017
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I have a new chassis with a Supermicro BPN-SAS3-826EL1 backplane

My question is, do I need to connect 2 SAS Cables from this expander backplane to my HBA? From the owner's manual it looks like you do which is fine with me. But for most other expanders I have seen, you only need 1 cable


1626908620551.png

The next question is, can I go from the PRI-J3 and PRI-J4 ports into an internal to external adapter, and then add another disk shelf?
 
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BlueFox

Legendary Member Spam Hunter Extraordinaire
Oct 26, 2015
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Only one cable is needed, but two will get you higher bandwidth. Also, which ports you use don't matter. You could hook up your HBA to #4 and use #1 to go to another external backplane.
 
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