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Thread: SSD Write Endurance 25nm Vs 34nm

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  1. #11
    Xtreme Member
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    Quote Originally Posted by nn_step View Post
    Experiment is being done on a Linux box, that does not have Xorg installed.
    I classify a sector as 4KB of continuous block of flash.
    I will retest the drive in a few moments to check to see if the 90% sector failure is still true.
    However the statement "much higher endurance if some idle time is taken between consecutive writes", would mean endurance is better if you don't write to the drive much.(duh and your car will not run out of gas as quickly if you don't drive it much)
    Assuming you wrote data continuously for 24th May 2011 at 50MiB/s on Intel 510 model, then this would be translated to 61*86400*50MiB = ~251.3TB . If WA is around 1.1 like on other models from endurance test, than this is means around 2150 cycles.
    Also, according to endurance model posted by Ao1: http://www.xtremesystems.org/forums/...=1#post4861258 , if theory with recovery time proves to be right, then we should see much more cycles (it would take around 2000-2500 seconds between each page write at 50MiB/s) .
    Could there be other factors that are breaking the Intel model so early (like a faulty power supply or SATA issues)? it's hard for me to believe that both models are failing so fast and so near one of each other
    Last edited by sergiu; 07-25-2011 at 12:53 PM.

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