December 3, 20205 yr I currently have a CHENBRO rack case with 12 drive slots. The system has a supermicro dual CPU board with LSI controller. I believe there is a single SAS cable going to the rear of the drive backplane to connect all 12 drives. Question 1. I thought a single SAS connector can hookup to only 4 drives. In my case, I can operate all 12 drives (atleast 8 so far installed) I would like to switch to a dell r430 that I happen to have with a 20 core processor. Since the dell is a 1u unit, I would like an external drive storage unit. Question 2. Which is the quietest and highest quality hotswappable drive cabinet? The dell also have a mini perc controller that has been flashed with IT firmware to see the 8 2.5" drive slots on the case itself so that is not a problem. Question 3. Can I add another LSI controller with external port to manage the external drive storage unit?
December 3, 20205 yr 29 minutes ago, macmann said: Question 1. I thought a single SAS connector can hookup to only 4 drives. In my case, I can operate all 12 drives (atleast 8 so far installed) If the backplane includes an expander you just need one cable (or two for dual link if supported for increased bandwidth).
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