CableCreation Angled Internal Mini SAS HD Cable, Mini SAS SFF-8643 to SFF-8643 Cable, 0.5M Internal HD Mini SAS SFF-8643 to SFF-8643 Connection Cable, High Density (HD) MiniSAS SFF-8643 Internal cable assemblies are available for SAS 2.1, 6Gb/s and SAS 3.0, 12Gb/s specification. SFF-8643 is the new connector uses less PCB real estate and allows higher port density for internal hosts and devices. 90-degree design can make for better cable management in some situations, especially in tight spaces Hybrid versions of these new cables will allow for a smooth transition from 6Gb to 12Gb.