Sonnet Echo 4 Port Express SE eSATA ProThunderbolt Adapter

Provides eSATA Connectivity to Most Mac Computers—Powerfully simple way to add four high-performance 6 Gb/s eSATA ports to your Thunderbolt-enabled computer Easy Setup—AHCI compliance ensures plug-and-play configuration; attached drives configured using the OS X Disk Utility application Temperature-Controlled, Variable-Speed Fan—Ensures quiet operation Two Thunderbolt Ports—Daisy chain up to six devices to a single port on the host computer Pro 5-Year Warranty—Includes 5-year warranty