Operating System Requirements: Mac OS X 10.5+ Description: Installation of this software provides support for Sonnet's SDXC UHS-I Pro Reader/Writer ExpressCard/34 in MacBook Pro computers with ExpressCard slots and running Mac OS X 10.5.8-10.12.6. JMicron is no longer updating this driver. Install this software and restart your computer before using the Sonnet adapter.
Note: You must set the memory card's write protect switch to LOCK before inserting the card into the Sonnet adapter.