This is the signal cable that runs from the backplane to the motherboard on the R740xd 12 Bay LFF chassis.
Manufacturer: DELL
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NVME Cables A1 B1 09TPCT
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.
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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.

