The R740xd can support up to 12 NVME drives with the correct cables. This is one set of Slim SAS cables that enable NVME support for 4 drive bays. This set attaches to ports A1 and B1 on the backplane and routes to an NVME extender in riser 2.
Archives: Parts
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HP DL 380 G9 Riser 1 719072-001
This is the riser furthest to the right of the chassis on an HP DL 380 G9 server.
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R640 8 Bay Mini PERC Cable 0CVPR7
This is the PERC storage cable specific to the Dell PowerEdge R640 8 bay server. It connects from the backplane, runs along the right side of the chassis, and then terminates at one of Dells mini mono controllers.
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R640 8 Bay BP Signal Cable 0HWFNR
Signal cable specific to the Dell PowerEdge R640 8 Bay server. It runs from the Backplane (BP) to the motherboard.

