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Thread: SSD Write Endurance 25nm Vs 34nm

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  1. #1
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    Here is shot with a different SSD Benchmark. I'm under NDA so I can't post a screen shot of the bench app unless I'm given a heads ups that it's OK to do so, but the bench output is as below.

    8GB test size. Non compressible data.
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  2. #2
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    Considering that after 460GB you were limited to a speed of about 0.5TB/day, I would assume that for your model, the limit might be to 0.5TB/day of usage. Could you let it run a few days more at this speed? If this would be the worst throttling scenario, this would still allow at least 14K cycles with uncompressible data. Or maybe around 5K cycles with data that compresses to around 35%.

  3. #3
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    Quote Originally Posted by sergiu View Post
    Considering that after 460GB you were limited to a speed of about 0.5TB/day, I would assume that for your model, the limit might be to 0.5TB/day of usage. Could you let it run a few days more at this speed? If this would be the worst throttling scenario, this would still allow at least 14K cycles with uncompressible data. Or maybe around 5K cycles with data that compresses to around 35%.
    I've already pulled it from my PC. In 5 days when I re-attach it I can run it for longer to see what happens.

  4. #4
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    Quote Originally Posted by Ao1 View Post
    I've already pulled it from my PC. In 5 days when I re-attach it I can run it for longer to see what happens.
    Do you mean it will sit unpowered for 5 days? If so, it sounds like that will have no effect on the throttling, since Ryder said it is based on power-on hours, and that coincides with my guess.

    But it is still worth a test, I think, so I'm not saying don't do it. I just wanted clarification on whether you were doing 5 days unpowered or powered.

  5. #5
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    I'm fully expecting the drive to still be in the same throttled in 5 days time, but as least I will know for sure this way.

    Currently the drive is sitting on my desk completely disconnected and it will remain that way for 5 days.

    Sergiu has an interesting point. Maybe the fully throttled state gives an indication of how much you can write per day. When I reconnect it I will see just how slow it goes and what can be written per day at that speed.

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