Alik Griffin tested over two dozen SD memory cards on the Leica M11 camera and came up with this list of recommended/best memory cards: Recommended memory cards USB write USB read Leica M11 UHS-II V90 — — — Lexar 2000x V90 219 MB/s 256 MB/s 99 MB/s Delkin Black v90 253 MB/s 278 MB/s 106 … Continue reading The best SD memory cards for the Leica M11 camera