The High Density (HD) system referenced as HD Mini-SAS (SFF-8643) in the SAS 2.1 standard, meets the 6Gb/s SAS specification.
These new HD Connectors will be used on the SAS 3.0 specification when it is released. Cable material may change but the
connectors will be the next generation of SAS to run at 12Gb/s.
Internal Mini SAS SFF-8643 to to 4 SATA 7pin hard disk data Cable
internal HD Mini-SAS Copper Cables