This is the cable to connect the backplane to the onboard SATA controller on the R740 8 Bay LFF chassis. Keep in mind you will only be able to use SATA drives with cables like this. If you want to use SAS drives you’ll need this cable (or a PERC cable) as well as a proper RAID/HBA controller.
Installation:
One end of the cable attaches to the backplane. The other end plugs into the onboard SATA ports located right where the PERC mini mono raid controller would install:
