The different types of flash memory cards for use in digital cameras are: Secure Digital (SD), CompactFlash (CF), Memory Stick (MS), MultiMediaCard (MMC) xD-Picture Card (xD) and SmartMedia (SM).
The type of memory card you use is dictated by which digital camera you buy. These cards are physically different and are -not- interchangeable.
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eBay has become notorious for “fake memory card” sales, thousands of people have been scammed by sellers who are selling inferior or lower capacity cards that have been relabeled and repackaged to look like the real thing. Buyer beware – I recommend that you purchase your cards only from reputable online vendors or brick and mortar stores. If you must buy on eBay then check out this page at Overclockers.com.au for ways to visually identify some (not all) of the most popular fake cards. Also see ourpublic discussion forum for more info.
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