This SAS cable by Delock can be used to connect internal SAS devices, e.g. a controller with Mini SAS connector to 4 HDDs with SATA ports.
Specification Host connector: 1x Mini SAS SFF-8087 male Device connector: 4x SATA 7 pin receptacle Serial Attached SCSI (SAS) specification Length incl. connectors: ca. 1m
DeLock Multilane SAS -kaapeli, SFF-8087 -> 4x SATA 7-pin, 1m, punainen