Internal Mini SAS SFF-8643 Host to 4 SAS 29Pin SFF-8482 Target Disk 6Gbps Data Server Raid Cable HD Mini-SAS cable configurations,The High Density (HD) system referenced as HD Mini-SAS (SFF-8643) in the SAS 2.1 standard, meets the 6Gb/s SAS specification. internal HD Mini-SAS Copper Cables Internal Mini SAS SFF-8643 to to 4 SAS 29PIN hard disk data Cable This SAS cable enables you to connect up to 4 SAS or SATA drives to a Mini SAS HD SFF-8643 controller. Not work for PCI-E SFF-8643 controller. Connector: Host: 1 x Mini SAS HD SFF-8643 Device: 4 x SAS 29pin