This SAS cable can be used to connect internal devices, e.g. a hard disk with SAS 29pin connector to a controller with Slim SAS SFF-8654 4i connector.
Ultraport SlimSAS 4i 38Pos Cable Assembly, Slim SAS 4i Straight to SAS 29pin
The SFF-8482 is a 29-pin connector with a plastic body, and configured with 15 pins that support the power requirements of the drive, and (2) groups of 7 pins that carry the SAS data signals.
Applications for Servers,Data Storage,Workstation.Meet SAS3.0/4.0 specification
Data speed: 24Gbps for SAS per channel ,Meet SAS3.0/4.0, Ultraport SlimSAS SFF-8654 specification