IOPS

Sir Apfelot Blog


20. March 2019
The App Performance Class is irrelevant for use in photo or video cameras. However, if you want to use the microSD card in your smartphone to expand the internal memory, you should definitely buy an A2 card (Photo: Sir Apfelot).

What do the abbreviations A1 and A2 mean on SD cards?

If you look at the abbreviations that you find on an SD card or MicroSD card, you will notice that some models also contain the designations "A1" or "A2". What about [...]