This is about cable part number to connect RS3DC080 to P4308XXMHGC system combination.
What cable to use to connect Intel® RAID Controller RS3DC080 to Intel® Server Chassis P4308XXMHGC?
Cable Kit product code AXXCBL730HDMS is to be used for this combination.
Should you need further cabling information, please refer to the available Intel® C200- and C600-Based Systems Backplane and Intel® RAID Controller Cabling Guide.