Echo ExpressCard/34 Thunderbolt Adapter & SxS Media Reader | SonnetSingle Slot, Dual Purposes Sonnet’s Echo ExpressCard Pro is the fastest, least-expensive SxS™ memory card reader available. It’s also expands your computer’s connectivity by enabling the use of ExpressCard/34 adapter cards. Either way you look at it, this handy Thunderbolt adapter adds functionality to your computer it is otherwise missing. The Thunderbolt Connection Connect the Echo ExpressCard P
