The ThunderTek/PX-Q6G adds four high performance eSATA ports to any Thunderbolt equipped Mac OS X or Windows 7/8 computer by installing a SeriTek/Q6G card inside the ThunderTek/PX chassis. This Thunderbolt™ to eSATA adapter supports direct connect eSATA enclosures as well as port multiplier enclosures like the SeriTek/5PM. High performance, versatility and compatibility with most eSATA storage devices, makes the ThunderTek/PX-Q6G a perfect tool for moving your existing eSATA enclosures to a new Thunderbolt™ equipped computer.