Lexar Professional 1800x microSDHC 32GB UHS-II W/USB 3.0 Reader Flash Memory Card - LSDMI32GCRBNA1800R Transfer content up to 9x faster over traditional action camera USB cables with included USB 3.0 reader Great for 4K recording in aerial and action cameras High-speed performance - leverages UHS-II technology (U3) for a read transfer speed up to 1800x (270MB/s) Includes an SD UHS-II adapter for easy transfer between devices Backwards compatible with UHS-I devices