Mini SAS SFF-8470 to 4 X 7 Pin SATA-1 Meter
High Quality Infiniband Multilane Cable SFF-8470 with Thumbscrews to 4 X SATA 7 Pin Cables. It has an external 34-pin SFF-8470 male SAS plug with locking thumbscrews on one end and four internal 7 pin SATA plugs with locking latches.
This is a Forward Breakout cable, meaning that it is intended to connect to a host/controller on the SAS end and to drives on the SATA end.