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    why are sandisk SD costing much more than ocz

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by useroflaptops, Jun 20, 2009.

  1. useroflaptops

    useroflaptops Notebook Evangelist

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    brand name aside.

    ocz has their gold SDHC flash memory wel under 20 bucks in most stores for the same size memory

    their speed is listed at 150x. this means its above ~22mb/s max right? someone confirm?

    well sandisk SD extreme III has up to 30mb/s (only a bit faster) and much more expensive @ nearly 2.5 times more. if you get the sandisk with ~20m/s speeds they are also like a few times costlier than ocz..

    is there a reason, other than brand and arguably reliability
     
    useroflaptops, Jun 20, 2009
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  2. goofball

    goofball Notebook Deity

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    The Sandisk should have the faster write speeds of the 2, which for most is the more important criteria than the read.
     
    goofball, Jun 20, 2009
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  3. roosta

    roosta Notebook Evangelist

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    the sandisk also comes with a lifetime warrenty against corrupted data. the write speed is much higher than other cards i looked at, which is certainly noticeable when i was using the burst fire on my camera.
     
    roosta, Jun 20, 2009
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  4. paper_wastage

    paper_wastage Beat this 7x7x7 Cube

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    reliability and speed...

    anyways, got 3x16GB SDHC Class 2 15MB/s Sandisk for $40 total after rebate.... not that bad if you compare this to OCZ
     
    paper_wastage, Jun 20, 2009
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  5. useroflaptops

    useroflaptops Notebook Evangelist

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    I found this benchmark

    http://chdk.wikia.com/wiki/Benchmarks

    sandisk is very very marginally faster and only sometimes. Plus ocz does say 150X, X=150kb/s. so sandisk is not that much faster. but they are wayyyy disproportionately expensive.

    btw ocz gold ALSO has lifetime warrenty
     
    useroflaptops, Jun 20, 2009
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  6. goofball

    goofball Notebook Deity

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    Test in a camera that can actually use the higher speed. Those are consumer P&S camera's. If used in something like a Nikon D90 which can use the speeds, the OCZ is probably going to be slower by about 8-9MB/sec on write given that it really isn't any faster than the class 6 OCZ card

    Unfortunately, there aren't many reviews of what it can write that are comparing the two but look at this review for the OCZ Gold

    http://www.overclockersonline.net/index.php?page=articles&num=2491&pnum=4

    And then compare with using the D90 to write to the Sandisk cards

    http://www.robgalbraith.com/bins/camera_multi_page.asp?cid=6007-9597

    To really get the full speed of the extreme cards in cameras, they need to support UDMA. D80 tops out at around 9-10MB/sec writing to the Extreme cards, the D90 (UDMA) is double that.
     
    goofball, Jun 20, 2009
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