StorageReview reviewed the Lexar Professional 1800x SDXC UHS-II Card GOLD Series
A quote from the article:
The Lexar Professional 1800x GOLD Series is the company’s latest high-performance SDXC SD card meant for creative professionals. The 1800x GOLD line sits between the SILVER line (which was released back a few years ago) and Lexar's flagship 2000x GOLD line (which features improved reads and significantly better writes) as far as performance capabilities go.Lexar Professional 1800x SDXC UHS-II Card GOLD Series Review