Operating System Requirements: Mac OS X 10.5+ Description: This software enables the use of all versions of the Tempo SATA E2P, Tempo SATA Edge ExpressCard/34 and Tempo SATA ExpressCard/34 host controllers running Mac OS X version 10.5.8-macOS 10.12.6. This version has been updated to be Thunderbolt technology-aware. This driver does not support macOS 10.13 and newer.
Often, yes. Sometimes, not. Some other manufacturers' drivers may incorrectly assume a Sonnet card is their SATA card which may cause havoc. The symptoms include significantly slower performance, driver not loading, or both drivers loading and causing and kernel panics as they both try to access the same card. Sonnet recommends removing other manufacturer's card(s) and driver(s) if a problem of this type occurs.