Sonnet Echo ExpressCard Pro Thunderbolt Adapter & SxS Media Reader Enables you to use express card/34 adapters with thunderbolt technology-equipped computers Ingests footage from S x S memory cards at up to 400 MB/s. Supported ExpressCard/34 Adapter Types : PCIe-based with driver support for Thunderbolt High-performance 10 GB/s thunderbolt technology, 5.0 GB/s express card 2.0 Supports a wide range of interfaces from gigabit Ethernet and eSATA controllers to fire wire and USB 3.0 Enables use of QIO, QIO E3 and QIO CF4 pro media readers via express card interface with thunderbolt technology-enabled computers