Operating System Requirements: macOS X 10.8-macOS 10.12 Description: This is a unified driver for all Twin10G models and Presto 10GbE dual-port (Intel) PCIe cards for Mac computers with macOS 10.8-10.12
To install under High Sierra:
1) In System Preferences...Security & Privacy panel...General tab...under "Allow apps downloaded from", select "App Store and identified developers".
2) Download and install this driver and follow the on-screen instruction.
3) If the driver doesn't load after a restart, you may need to go to System Preferences...Security & Privacy panel...General tab, and manually authorize the Sonnet driver and restart.
