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Topic: Is deleting and creating a file bad for your card? (Read 507 times) previous topic - next topic


The advise not to format a SDcard too frequently is understood  but is there any downside from creating and deleting a file many thousands of time? All knowledgable advise welcome. Thanks and Regards


You will never wear out a modern SD card with an Arduino.  Cards have a virtual to physical map to spread wear.

Each area of a MLC flash chip be written about 10,000 times.  So you can write 10,000 times the size of the card.

For a 4GB card this is 40TB.  Formatting does little wear if you use quick format.  Only a tiny amount of data is written to the card.

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