Supermicro 2U Dual Expander Backplane, Support 24x 2.5" SAS3/SAS2/SATA3 HDDs BPN-SAS3-216EL2

The BPN-SAS3-216EL1/EL2 model backplanes consist of a BPN-SAS3-216EB backplane (A) with one or two BPN-SAS3-216EL daughter cards (B and C) mounted on the rear of the backplane. The front of the backplane is defined as the side which faces toward the front of the chassis when installed.The BPN-SAS3-216EL1 model consists of the BPN-SAS3-216EB backplane (A) and one BPN-SAS3-216EL primary daughter card (B), mounted on the right-hand side of the backplane.The BPN-SAS3-216EL2 model consists of the BPN-SAS3-216EB backplane (A) with a BPN-SAS3-216EL primary daughter card mounted on the right (B) and a BPN-SAS3-216EL secondary daughter card mounted on the left (C). Components on the front side of the BPN-SAS3-216EB backplane include twenty- four SAS connectors and their respecitve activity and failure LEDs. Components on the rear side of the backplane include jumpers and power connectors. The daughter card''s components include SAS ports, flash and expender Chips.

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