Acer Altos G5350 Series User Manual page 57

(1) Hold the hot-plug cage with both hands, then slide the cage
into the housing. The cage is locked to the chassis with an
audible click.
5 Connect the following cables to their corresponding connectors on
the SATA RAID backplane, mainboard and adapter:
(1) Attach the SATA data cable to the SATA HDD connector on the
backplane (1), then connect the other end of the cable to the
SATA connector on the SATA RAID controller.
Note: SATA connectors on the controller are keyed. Make sure the
SATA data cables are properly connected to its corresponding
connectors on the SATA RAID controller.
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