Port multiplier controller card - 5-port SATA to single SATA III. Connect five SATA drives to a single internal SATA 6Gbps host connection; Increase the storage capacity of your computer by connecting five drives to a single SATA connector; Optimize performance with support for SATA III (6 Gbps); Wide installation compatibility with included low-profile (half-height) and full-profile brackets; Computer case LED indicator support.