SDXC card slot - is it reliable?

Discussion in 'MacBook Pro' started by cmm, Mar 16, 2014.

  1. cmm macrumors 6502a

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    Manhattan & Zürich
    #1
    I am thinking of getting the 15 rMBP in the refurb store with the 256GB SSD. The only way I could get such a small hard drive is if I use the SDXC card slot and store files on it (my 50GB iPhoto library and my 50GB music collection)...

    I have read that the SDXC card frequently disconnects/unmounts with no warning, ergo, it's not reliable. Is this true? If so, I'm going to have to spend more and get the 512GB model...

    Thanks!
     
  2. accountforit macrumors 6502a

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    Jan 22, 2014
    #2
    I use mine every day on the same model and have never had it disconnect on it's own. I don't leave it plugged in all day, but use it daily to load pictures to my computer from my camera.
     
  3. cmm thread starter macrumors 6502a

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    #3
    Does the card protrude outside the macbook pro shell? By how much? Thanks!
     
  4. accountforit macrumors 6502a

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    Jan 22, 2014
    #4
    Yes. Probably an inch and a half.
     
  5. Jesla macrumors 6502

    Jesla

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    Tennessee USA
    #5
    More like 1/2 inch....none of my SDXC cards are even 1.5 inch long
     
  6. Nermal Moderator

    Nermal

    Staff Member

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    New Zealand
    #6
    I've had problems on my 2011 system; more often than not the card will mount read-only and I have to remove and reinsert it 2-3 times before it mounts correctly. I've found other people with the same issue but I don't know how widespread it is (since it's only the people with problems that post about them).
     
  7. qtx43 macrumors 6502a

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    #7
    It's widespread enough that Apple says if you insert it too slowly it might not mount.
     
  8. Nermal Moderator

    Nermal

    Staff Member

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    #8
    I'd seen that, but this appears to be a different issue. If I insert it slowly then it doesn't mount at all (as opposed to mounting read-only).
     
  9. qtx43 macrumors 6502a

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    #9
    Ummm... that's what it says: doesn't mount properly. Doesn't say anything about mounting read only as you seem to have misread. I don't really know, but I'm guessing this is a problem with the physical design of SD cards.

    Personally, I've never had a problem.
     
  10. Nermal, Mar 17, 2014
    Last edited: Mar 17, 2014

    Nermal Moderator

    Nermal

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    #10
    I think you've misunderstood me :)

    You're correct that Apple's site doesn't mention read-only, but I haven't misread it; that is what actually happens the majority of the time when I insert a card (quickly). Inserting a card slowly - which seems to be what Apple is documenting - results in a different issue, namely the card not mounting at all.

    But in any case, I think that we can agree that there are possible issues :)
     
  11. qtx43 macrumors 6502a

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    #11
    Apparently communicating on the internet is hard.:)
     
  12. Menge macrumors 6502a

    Menge

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    Dec 22, 2008
    Location:
    Amsterdam
    #12
    In my experience (2011 MacBook Pro), the SD card is difficult to mount correctly at first, but works reliably after mounted. The card does protrude a bit out of the slot, but that can be solved by using one of these instead if you want to keep a card in there 23/7: http://theniftyminidrive.com/

    So, if people actually made a product to have microSD cards in the SD card slot all the time, I guess it's pretty safe to have it in there :p
     

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