Lexar USB3 Card Reader Works on MacBook Pro with Lexar Firmware Update
Have a camera? USB3 provides lightning-fast transfers off the card for the June 2012 MacBook Pro and MacBook Pro with Retina display.
While the MacBook Pro and MacBook Pro Retina have a built-in SDXC card slot, that slot cannot be used to read Compact Flash cards.
For details, see my photography blog: Lexar USB3 Card Reader Works on MacBook Pro Retina with Lexar Firmware Update.