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  1. #1
    MacBook Air 13 i7 SSD Slow ???
    jasongoldworthy's Avatar
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    MacBook Air 13 i7 SSD Slow ???
    hi guys I have the above MacBook Air and for some reason the SSD is slow ??

    if I go to about this Mac and select the drive it says the port supports sata 6G but running at data 3G


    any ideas if this can be changed with a faster drive ?


    it is the apple original drive 128GB

    its a Mid 2011 MacBook Air 13 i7 4GB
    Mac Pro 5,1
    128GB Ram
    Mac OSX 10.14.5
    512GB NVME 2TB x4

  2. #2
    MacBook Air 13 i7 SSD Slow ???
    pigoo3's Avatar
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    Quote Originally Posted by jasongoldworthy View Post
    any ideas if this can be changed with a faster drive ?
    Yes the SSD in 2011 MacBook Air's is replaceable/upgradeable. Macsales.com/OWC has some to choose from:

    Apple Mac Upgrades - RAM, SSD Flash, External Drives and More

    As to why the current SSD is slow. Could be a number of reasons:

    - SSD is near full
    - SSD is old
    - Computer needs some maintenance & not the SSD at all.
    - etc.

    HTH,

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  3. #3
    MacBook Air 13 i7 SSD Slow ???
    pm-r's Avatar
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    How do you know that it is running at data 3G speed???

    Just curious if the speed has actually been measured and how.


    - Patrick
    ======

  4. #4
    MacBook Air 13 i7 SSD Slow ???
    jasongoldworthy's Avatar
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    hi guys thanks for the reply,


    the ssd is only using about 30gb so I doubt its that as it was a fresh install after a logic board replacement,

    and about this Mac says its running at sats 3G speed as the negotiated link speed,

    I have run black magic disk speed and its getting a read of 201mb and a write of 150mb,

    could it be the drive has aged ?

    is there anyway to find out ?
    Mac Pro 5,1
    128GB Ram
    Mac OSX 10.14.5
    512GB NVME 2TB x4

  5. #5
    MacBook Air 13 i7 SSD Slow ???
    pigoo3's Avatar
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    Quote Originally Posted by jasongoldworthy View Post
    I have run black magic disk speed and its getting a read of 201mb and a write of 150mb...
    Do you have specs/data as to what speeds you think you should be getting? If a read of 201mb and a write of 150mb is what this computer is supposed to get...then it is what it is. But if you have figures that say it should be faster...then we know it's truly under-performing.

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  6. #6
    MacBook Air 13 i7 SSD Slow ???
    pm-r's Avatar
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    Have a look and do a comparison here:
    The 2011 MacBook Air (11 & 13-inch): Thoroughly Reviewed
    SSD & WiFi Performance - The 2011 MacBook Air (11 & 13-inch): Thoroughly Reviewed

    Also, maybe do some reading on negotiated link speed, like, even if it is a bit dated, but so is your Mac and its drive.macbook - What is an SSD drive's negotiated link speed? - Ask Different

    Aslo:
    macbook - Negotiated link speed considerations for SSD choice? - Ask Different


    - Patrick
    ======
    Last edited by pm-r; 11-02-2019 at 12:05 PM.

  7. #7
    MacBook Air 13 i7 SSD Slow ???
    jasongoldworthy's Avatar
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    thanks guys for both replies,


    I have looked at the links Patrick has put up and I can see what its doing now (maybe the apple blade ssd) isn't up to the negotiated link speed of sata 6G so its connecting at a sata 3G connection hence why its slower

    as my mechanical disks perform faster in a MacBook Pro mid 2011 15 inch both running at sata 6G

    so maybe I need to replace the blade drive with a newer faster drive to get the sata 6G connection ?
    Mac Pro 5,1
    128GB Ram
    Mac OSX 10.14.5
    512GB NVME 2TB x4

  8. #8
    MacBook Air 13 i7 SSD Slow ???
    pm-r's Avatar
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    so maybe I need to replace the blade drive with a newer faster drive to get the sata 6G connection ?

    I doubt very much if that will help considering the specs for that Mac say It already has a 6G rated SSD installed:
    MacBook Air "Core i7" 1.8 13" (Mid-2011) Specs (Mid-2011, MD226LL/A, MacBookAir4,2, A1369, 2469): EveryMac.com

    It sounds like a little bit more investigation is needed as to what is going on and everything else that's involved.

    I'm sorry I don't have more experience with Solid-state drives a'snd their various speed issues so I can't really help further.



    - Patrick
    ======

  9. #9
    MacBook Air 13 i7 SSD Slow ???
    jasongoldworthy's Avatar
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    hi Patrick thanks for the reply

    it says the following in system profiler

    intel 6 Series Chipset:

    Vendor: Intel
    Product: 6 Series Chipset
    Link Speed: 6 Gigabit
    Negotiated Link Speed: 3 Gigabit
    Physical Interconnect: SATA
    Description: AHCI Version 1.30 Supported

    APPLE SSD TS128C:

    Capacity: 121.33 GB (121,332,826,112 bytes)
    Model: APPLE SSD TS128C
    Revision: CJAA0201
    Serial Number: 91LS10TGTNLZ
    Native Command Queuing: No
    Removable Media: No
    Detachable Drive: No
    BSD Name: disk0
    Medium Type: Solid State
    TRIM Support: Yes
    Partition Map Type: GPT (GUID Partition Table)
    SMART status: Verified
    Mac Pro 5,1
    128GB Ram
    Mac OSX 10.14.5
    512GB NVME 2TB x4

  10. #10
    MacBook Air 13 i7 SSD Slow ???
    ferrarr's Avatar
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    Was the MBA dropped? Maybe something inside moved?
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

  11. #11
    MacBook Air 13 i7 SSD Slow ???
    jasongoldworthy's Avatar
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    hi Ferrarr

    no it wasn't in fact the logic board was replaced,
    as it wasn't working (due to some slight corrosion on the SMC Clock Crystal)

    but the SSD wasn't running as fast as it should have then either (maybe its going bad)
    Mac Pro 5,1
    128GB Ram
    Mac OSX 10.14.5
    512GB NVME 2TB x4

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