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  1. #1

    fleurya's Avatar
    Member Since
    Nov 18, 2006
    Location
    Anytown, USA
    Posts
    4,935
    Specs:
    27" iMac 2.7GHz Core i5, iPhone 6, iPad Air 2, 4th gen Apple TV
    Hard drives: 8mb vs 16 mb cache. Big difference?
    I am planning to replace the HDD in my MBP, but I'm a little confused about HDD specs. It seems like virtually all drives have SATA connections and 3GB/s, so I'm not so concerned there. But a sticking point on price seems to be the cache. Does this make a substantial difference to the average user? Seems like the price difference is about $20. What do I really get for that $20?

    Also, is there anything else I need to make sure I have as far as specs on an HDD? Obviously has to be 2.5', but are there any exterior dimensions I have to be careful of? How about placement of the holes for attaching the brackets? Anything else?

    Thanks!
    "Give so much time to the improvement of yourself that you have no time to criticize others"

  2. #2

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    22,100
    Specs:
    Imac 27" Retina 5K, 512GB flash memory, 3.3GHz, 16GB memory, macOS Sierra beta.
    You will not be able to notice the difference for the money. Have a read of this link:-

    Conclusion - Review Tom's Hardware : Understanding Hard Drive Performance

  3. #3

    fleurya's Avatar
    Member Since
    Nov 18, 2006
    Location
    Anytown, USA
    Posts
    4,935
    Specs:
    27" iMac 2.7GHz Core i5, iPhone 6, iPad Air 2, 4th gen Apple TV
    Thanks!
    "Give so much time to the improvement of yourself that you have no time to criticize others"

  4. #4

    baggss's Avatar
    Member Since
    Oct 10, 2004
    Location
    Margaritaville
    Posts
    10,311
    Specs:
    27" 3.4 Ghz i7 iMac-13" C2D Macbook-OSX 10.10.2 -64Gb iPad 2-64 Gb iPhone 6+-ATV 2-14Tb of Storage
    As far as hole for mounting etc go, all that has been pretty standard for a while now. If Apple has done anything weird, the old drive will have a bracket that will attach to the new drive.


  5. #5

    Doug b's Avatar
    Member Since
    Jun 22, 2008
    Location
    Forest Hills, NYC
    Posts
    3,343
    Specs:
    15-inch Early 2008; Processor 2.4 GHz Intel Core 2 Duo; Memory 4 GB 667 MHz DDR2 SDRAM; 10.7.5
    Quote Originally Posted by fleurya View Post
    What do I really get for that $20?
    Thanks!
    About 2 milliseconds worth of bragging rights on a test chart ?

    Doug

  6. #6

    yamawho's Avatar
    Member Since
    Nov 07, 2009
    Location
    Montreal, Quebec
    Posts
    120
    Specs:
    Mac Mini late 09 version
    Getting a 7200 RPM over a 5400 RPM hdd is worth it however ...

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