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Thread: Asrock Z77 Extreme4-M




  1. #31
    parsec's Avatar
    parsec is offline Senior Member
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    Default Re: Asrock Z77 Extreme4-M

    I originally thought I had never seen the AS SSD benchmark results be so off for an SSD... and then I remembered something.

    So I thought I'd check the OWC Mercury Electra 6G S specs, and I found it:

    Asrock Z77 Extreme4-M-owc-mercury-electra-specs-png

    In the NAND Flash Components section, "Asynchronous MLC NAND".

    That explains it. I'll leave it at that.

  2. #32
    scorpionking is offline Junior Member
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    Default Re: Asrock Z77 Extreme4-M

    Quote Originally Posted by parsec View Post
    I originally thought I had never seen the AS SSD benchmark results be so off for an SSD... and then I remembered something.

    So I thought I'd check the OWC Mercury Electra 6G S specs, and I found it:

    Asrock Z77 Extreme4-M-owc-mercury-electra-specs-png

    The bottom line:



    In the NAND Flash Components section, "Asynchronous MLC NAND".

    That explains it. I'll leave it at that.
    I understand now are various different types of Nad flash, I found this!

    Asynchronous SSD = inferior performance but are cheaper
    Synchronous SSD = superior performance and more expensive
    Toggle SSD = superior performance and best value for money

    Whether thats true or not, I don't know. But it seems the other Applications were not detecting the Asynchrnous nad flash correctly. And thereby giving out an inferior speed.

    Thanks for all your time and efforts parsec, I really do appreciate it.

    Kevin
    Last edited by scorpionking; 03-11-2015 at 06:33 PM. Reason: mistake

  3. #33
    parsec's Avatar
    parsec is offline Senior Member
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    Default Re: Asrock Z77 Extreme4-M

    Quote Originally Posted by scorpionking View Post
    I understand now are various different types of Nad flash, I found this!

    Asynchronous SSD = inferior performance but are cheaper
    Synchronous SSD = superior performance and more expensive
    Toggle SSD = superior performance and best value for money

    Whether thats true or not, I don't know. But it seems the other Applications were not detecting the Asynchrnous nad flash correctly. And thereby giving out an inferior speed.

    Thanks for all your time and efforts parsec, I really do appreciate it.

    Kevin
    Thank you for that! I'm an SSD enthusiast and have been using them for years.

    It is true that asynchronous NAND flash is slower than synchronous NAND flash in general. But there is more to consider than just asynchronous and synchronous NAND, there are different data transfer rates of the NAND that has increased over time.

    SSD performance basically depends upon the type of NAND being used, and the SSD controller in a SSD. Some SSD/HDD benchmark programs are easier for a drive to give good results, others are more difficult. The results also depend on the type of data being used by the test program. One main example of this is compressible and non-compressible data. Sorry to say, it is not the program/application not detecting the type of NAND flash being used that causes lower performance results.

    AS SSD is one of the most difficult test programs used to test SSDs. But that is why some SSD users prefer it. An easier test program that gives better results is ATTO.

    Just because one test program shows poor results does not mean a SSD is bad, or slow. But you could compare your OWC and Crucial SSDs in actual use by copying files to them and see how long it takes.

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