I'm always astounded how little people know about this, but you need to get an Application Class rated card, preferably A2. [1] The application rating essentia

I'm always astounded how little people know about this, but you need to get an Application Class rated card, preferably A2. [1] The application rating essentially ensures a certain minimum IOPS performance, which is critical because most cards are only intended for sequential reads/writes. [1] https://en.wikipedia.org/wiki/SD_card#Application_Performance_Class https://en.wikipedia.org/wiki/SD_card#Application_Performanc...