This is a SFF-8644 to 4 X SATA 3.3 FT cable. It is designed for the following use: the SFF8644 HD Mini SAS 36 Pin at the Host-end (HBA Card), and the 4 X SATA fan-out at Target-end (such as SSD or HDD) Universal Compatibility: the Mini SAS SFF 8644 to 4 sata cable compatible for all hard drives with sata port. Specifications: Data Rate UP to 6 GB/s; SAS 2.1 Compliant; SAS 2.1 Compliant. The woven mesh sheath with locking connector latches provides minimized impact on airflow in a computer case, leading to efficient performance. Built to CineRAID's standard, this is capable of 24/7 use