Startech SAS729PW18 18in Sas 29 Pin To Sata Cable, Red, Length 18", Connector-3, Connector Connector A: 1 - SATA (7 pin; Data) Receptacle Connector B:- 1 - LP4 (4 pin; Molex Large Drive Power) Male, - 1 - SFF-8482 (29 pin; Data & Power; Internal SAS) Receptacle. SAS external storage devices, Host Bus Adapters and RAID controllers, this high quality 18in SAS (29-Pin) to SATA Cable delivers both power (LP4) and data connectivity.