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Are there technical/practical limitations that prevent it from reading microSD cards above 32 GB?

I'm mostly asking out of curiosity, as 64 GB seems fairly inexpensive on Amazon...

Often they advertise 32GB but they're compatible with larger, just not officially supported. For example http://www.motorola.com/us/moto-g-pdp-1/Moto-G/moto-g-pdp.ht... only advertises 32GB but I put a 64GB in it out of the box and it works.

i can't lookup the debian bugs now... but beware. it will work only until you write a not so rare byte combination there using the SDHC interface. after that happens, the sdxc controller will just crap on every data read and you will have a tiny brick.

Ohhh... THAT explains a lot... Might explain why cards dying in phones is so common.

If you could find that bug for me it'd be much appreciated.

SDHC vs SDXC I believe. SDHC only goes up to 32GB.

Interesting. Thanks. From some brief reading on wikipedia, I wonder if they chose SDHC to avoid any (patent) issues with the exFAT file system.

Kinda seems like a shame. 32 GB is quite a lot, but for HD video, it seems like it could fill up quickly.

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