Transmission Rate 12Gbps: 36 pin High Density (HD) Mini SAS SFF-8643 Internal cable assemblies are available for SAS 2.1, 6Gb/s and SAS 3.0, 12Gb/s specification. Hybrid versions of these new cables will allow for a smooth transition from 6Gbps to 12Gbps.
HD Mini Sas Cable: HD INTERNAL MINI SAS 8643 to 8643 cable is specifically designed to connect a 12 Gbps host bus adapter with SFF-8643 to a SAS backplane or expander with SFF-8643; SAS 2.1 and SAS 3 performance compliant