4X97A59768 ThinkSystem SR645 8x2.5" SAS/SATA Backplane Cable kit:

SBB7A20270 - Power cable to CFF RAID/HBA
SBB7A20267 - Power cable to backplane
SBB7A20256 - On-board SATA cable to CFF RAID/HBA
SBB7A20251 - On-board SATA cable to front 8x 2.5" SAS/SATA 6+4 AnyBay #1
SBB7A20252 - On-board SATA cable to front 8x 2.5" SAS/SATA 6+4 AnyBay #2
SBB7A24057 - SFF G3 cable to front 10x 2.5" AnyBay 6+4 AnyBay 8x2.5" SAS/SATA
SBB7A21250 - SFF RAID to front 10x2.5 AnyBay BP SATA/SAS G4 Y cable
SBB7A21240 - CFF RAID to (6+4)x2.5 BP SATA/SAS G4 cable config