Matt_Colie wrote:
If you didn't know it, SD chips seem to have an limited number of clear and re-writes and I don't know what it is.....
Typically they're rated for somewhere on the order of 100,000 write cycles. Most of the controller chips on SD cards (at least any better than the very bottom of the barrel ones) will attempt to even out the write cycles to gain the maximum life, so you should be able to fill it halfway and erase and re-write at least a couple hundred thousand times.
Realistically, it's hard for most people to come close to wearing out flash memory with typical usage; losing the card or having it physically broken or become outdated enough to be not worth using is much more common. Something like a DVR that's constantly overwriting data multiple times a day might be an exception.