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What is Operational Lifespan in SSD?

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July 30, 2010 4:22:08 PM

What is Operational Lifespan in SSD?

Thanks!
a c 99 G Storage
July 30, 2010 7:41:20 PM

I've seen that sminlal has said: 20 yrs @ 5GB writes/day.
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a c 415 G Storage
July 30, 2010 9:19:24 PM

Intel's claim is actually "at least" 5 years at 20GBytes of writes per day.

You also have to be aware that the static charges on the flash memory cells dissipate over time. The information I've seen suggests the stored data should last around 10 years or so - after that it's probably prudent to back up and restore everything so that the cells are freshly charged.
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a c 99 G Storage
July 30, 2010 9:56:31 PM

My bad! Maybe I'm dislexic (can't spell!).
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July 30, 2010 10:24:44 PM

I really wanna ask this... without opening a new thread, does reading data effect the SSD too? I normally just get a HD and plug it in to my PC, its too hard sometimes to choose and 20GB a day seems a lot, someone would have to be working really hard lol
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a c 415 G Storage
July 31, 2010 12:04:36 AM

You can read as many times as you want and it won't impact the life expectancy of the drive.
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a c 415 G Storage
July 31, 2010 12:07:17 AM

foscooter said:
Maybe I'm dislexic (can't spell!).

Then this one is definitely for you: http://xkcd.com/745/ :D 
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July 31, 2010 5:56:56 AM

ohhhhhhh..... Can an one make it more clear? :( 
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a b G Storage
July 31, 2010 11:52:21 AM

what isn't clear? "at least" 5 years at 20GBytes of writes per day" seems pretty straightforward. They can't tell you exactly how long to the minute, unless someone can predict the future.

These numbers are all based on averages. If you have a million of them, a few are going to be dead on arrival, a few will die quickly, etc. MOST will last several years, some could last longer. There's too many usage factors for them to say exactly. So they come up with simple marketing terms like "at least" 5 years at 20GBytes of writes per day to give you a ballpark.
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