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Originally Posted by BBowermaster
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Doesn't Flash memory have limited writing ability, as in each sector can only be written to x amount of times before it is marked unusable? I can't see these being used in a device that isn't replaced as often as an mp3 player.
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Typical Flash has a write/rewrite ability in the 100k - 1M writes before the gates start to break down and lose their ability to retain their value. Reads don't cost you in terms of breakdown.
Companies also add in a wear-leveling routine which ensures you don't write to the same spots in flash (since there is no penalty for access nomatter where you read from unlike a normal HD) and the likely hood of wearing out the flash is a non-issue. The numbers which have been run show you could heavily use flash all-day, every-day for 10+ years without experiencing a problem.