Quote:
Originally Posted by Eric Coffey
Keep in mind there are a TON of counterfeit SD/MicroSD cards out there, and you are really not safe buying them anywhere else but a stocking authorized retailer.
That applies to Amazon as well, where I've purchased a couple fake SD cards via direct Amazon fulfillment (and not a 3rd party vendor). Of course, eBay is to be avoided for these as well.
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Yeh. If it seems too cheap to be true, it probably is. There's tons of 4G or 8G microSD cards with altered firmware that makes them report to be many, many times larger - and then over-printed, sometimes even re-packaged (but usually not).
And they seem to work fine. Until you write over the end of the "real" storage, and they roll over into writing over the first files you stored on the card, directory structure and all.
Sometimes, even buying on the low end of a "reasonable" price, you'll get someone trying to scam you with junk.
The best way to tell for sure is to write blocks of data to the card and keep reading them back, verifying the blocks until you write the full capacity. There's a few programs that do this - I like scam-o-matic myself.