It comes ture that internal SAS Hard Disk can be used as external SAS Hard Disk.
SAS 29 pin straight SFF-8482,Male to Female cable,50cm
The SFF-8482 is a connector design for interfacing a connection for SAS drives, both SAS Hard drives and SAS SSD drives.
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. The SFF-8482 supports 2 SAS ports (lanes) to/from the drive.
CY SAS Cable SFF-8482 SAS 29 Pin to 29Pin Male to Female Extension Hard Disk Drive Raid Cable