I'm looking for an SD memory card and see that some are called "Secure digital" and others are called "Secure digital flash." What's the difference? Are they interchangeable in my devices that use SD cards?
What's the difference between "secure digital" and "secure digital flash" cards?
They are the same thing. Secure Digital (SD) is trademarked so any card with the SD logo will work with SD devices. The link below takes you to the association.
Reply:Same thing. Technically, "flash" media stores data on a printed circuit board (as opposed to disk media), but if the card has an SD logo on it, it should work in SD devices. The term "Flash" has no laws behind it's use, so it's probably just a marketing term slapped on the package to make you think it's better/faster/less likely to not work/etc.
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