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I would now if someone can help me and say if I need a industrial grade or not to insure reliability in a PC embedded device. I use linux and make the most filesystem in RAM to avoid read/write of the cache or the var folder.

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This is really hard to read. Could you possibly rephrase it? –  Nathaniel Jan 8 '10 at 23:20
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3 Answers

I use CompactFlash cards running the RouterOS software as part of my daily operations. I have never had a CF card fail yet in 3 years of operations.

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It's hard to tell exactly what you're asking, but I'd say the answer is yes. Lots of people use CF cards as the main OS disk for special purpose linux servers.

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Flash memory is viable as storage. Look up "Solid State Drives" or "SSD"

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The type of Flash memory used in SSDs are massively different than the type used in CF cards. –  MDMarra Apr 6 '10 at 23:06
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