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. SFF-8643 is the new connector uses less PCB real estate and allows higher port density for internal hosts and devices. Hybrid versions of these new cables will allow for a smooth transition from 6Gb to 12Gb. It is used for connecting a SAS/SATA adapter to a SAS/SATA backplane. These new HD Connectors will be used on the SAS 3.0 specification when it is released. Colour:As shown in color Material:Copper core Package Contents: 1 * Internal Mini SAS 4i SFF-8087 to Mini SAS High Density HD SFF-8643 Cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.