IBM PCIe3 x8 SAS RAID internal adapter 6 Gb Manual page 21

A
Figure 1. Disconnecting the front SAS cables from the disk drive backplane
4. Pull the disconnected end of the cables out of the plastic guide block on the side of the system
chassis, as shown in Figure 2.
Figure 2. Removing the front SAS cables from the guide block
3
PCIe3 x8 SAS RAID internal adapter 6 Gb