Connect five sata drives to a single internal sata 6gbps host connection the st521pmint 1 to 5 sata drive port multiplier lets you connect five individual sata hard drives to a single sata host controller vastly increasing the storage capacity of your computer system the st521pmint optimizes port usage enabling you to connect up to five sata drives to a single sata port to ensure maximum performance the sata port multiplier supports sata iii host controllers and hard drives with transfer