Interface type: MINI SAS HD (SFF-8643) on one end and 4 SAS ports (SFF-8482) with fixed holes on the other end. This design can meet the connection needs of multiple hard disks or SSDs.Product Length: Common lengths are 0.5m and 1m, but lengths can be customized to meet specific needs.Transfer Rate: Supports data transfer rates up to 12Gbps, complying with the latest SAS 3.0 specification.Compatibility: The cable is SCSI (SAS) compliant, ensuring broad compatibility with a wide range of SAS devices.Overall, the MINI SAS HD SFF-8643 to 4-port SAS SFF-8482 server high-speed cable is an indispensable component for data centers and enterprise applications due to its high performance, flexibility and reliability.