Features: It is an internal Mini Serial- Attached- SCSI SFF-8643 to Mini Serial- attached- SCSI SFF-8643 cable. It is used for connecting a SAS/Sata adapter to a SAS/Sata backplane. The High Density system referenced as HD- Mini-SAS (SFF-8643) in the SAS 2.1 standard The new HD- connector will be used on the SAS3.0 specification when it is released. internal HD- Mini-SAS copper- cable Mini SAS SFF-8643 to mini sas High Density SFF-8643 data Cable Specifications: Item:SAS Sata Cable SFF-8643 To SFF-8643 Internal Mini SAS Connector Cable Length:approx 0.5M/19.37in 1M/39.37in Wire:Copper+ Nylon Wire Note: Light shooting 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. Package includes: 1PC SFF-8643 To SFF-8643 Internal Mini SAS Cable