Previous 1 2 3 Next 30 Replies Latest reply: Mar 27, 2012 3:06 PM by g0g0g0
lippyloggy Level 1 Level 1

I just ordered the new 64 GB Class 10 SDXC Flash Memory Card for my MacBook Air SD slot and was wondering if anyone's tried it out in their own MacBook Air, and what their experience has been so far.


How fast is it?


Did you need to reformat it?


If so, what's the optimum format choice?


Mac OS Journaled?




Free Space?


I read a review with a posted comment claiming it runs as fast as an internal 7200rpm drive, although I'm skeptical of this claim. I was planning on using it as my iTunes library, but if it's really that fast maybe I can install Windows 7 via bootcamp?


Any advice would be much appreciated.


Thanks in advance

MacBook Air, Mac OS X (10.6.7), 13"
Reply by g0g0g0 on Mar 27, 2012 1:27 PM Helpful

There is a seller on ebay who has an adapter that makes the card sit flush to the edge of the computer. It looks like it is 2/3rds of an SD card in length.


Has anyone tried that?

Reply by g0g0g0 on Mar 27, 2012 1:53 PM Helpful

search in ebay: memory card macbook air

it should come up

All replies

  • voipben Level 1 Level 1

    According to other threads, the slot does not support SDXC cards (see for example). I'd be interested to hear if you find that the cards do in fact work, so please keep us posted.



  • hawleyrw Level 3 Level 3

    That's what I know also - From what i found SDHC is the highest standard that MacBook Air uses, Max is 32G, I bought a Class 10 32G which is what I keep in my 13" for additional storage.


    Others have said SDXC is supported which is contrary to what I had read.  I'll keep looking.



  • lippyloggy Level 1 Level 1

    According to this newer post...



    ...the 64 Gig SDXC cards work fine in the MacBook Air's SD slot. I was just wondering about the specs and whether you can run an OS off it (specifically Windows 7 via boot camp).


    But I'll find out for myself in a couple of days and will post what I find here.

  • voipben Level 1 Level 1

    Thanks! Missed that thread, which sounds promising. I will be looking forward to your findings, both re. the card working and running Win from it (which would also be of interest to me--as I'm sure you know, standard SD cards don't perform well for this but perhaps the XC's faster data transfer rates will resolve the issue, assuming the reader supports them).

  • lippyloggy Level 1 Level 1

    No problem. I'll let you know!

  • lippyloggy Level 1 Level 1

    So I got my Transcend SDXC 64GB flash card, and yes, it reads and writes perfectly in my MacBook Air.


    The next step will be trying to install Windows 7 on it. I've already reformatted the drive with the Disk Utility app to Macintosh OS (Journaled), but haven't had time to try the whole install process yet. But from what I've googled, Microsoft restricts the installation of their OS's onto any external drives. But there seem to be quite a few work-arounds.

  • hawleyrw Level 3 Level 3

    Sweet!  I guess I'll have to get one then....I'm a sucker for more storage in my MBA



  • lippyloggy Level 1 Level 1

    Of course now I just want the 128 SDXC card so I can fit my ENTIRE iTunes library on there.


    That is, unless I can get Windows 7 to boot off an external. Apparently it requires "Ghosting" a previously installed version with Norton's for Windows? We shall see...

  • EricInMaryland Level 1 Level 1

    I'd like to better understand the speed and reliability of these cards. Which brand carries the best reliability. Assume you would need a class 10 version.


    Can you reformat these to HFS?

  • voipben Level 1 Level 1

    Congrats, and thanks for letting us know. Let's hope the pricing on those 128GB cards starts to come down soon...

  • bryguy13 Level 1 Level 1

    I was excited at the prospects of using a 128 GB SDXC for my iTunes library but its not working out so well.


    I copied all of my songs over to the card and then created an alias of the parent folder and parked that at ~/Music/iTunes/iTunes Media/Music. I experimented with playing some songs and overall it was working ok. It did take a little while when switching between tracks rapidly (0.5-2s) but I was ok with that.


    My problems started when I tried adding new songs. iTunes is totally getting locked even when adding just 1 new song to the library. Its taking about 60s to process each song.


    I do have a pretty large library at 12k + songs, but I've been trying to diagnose the issue and started adding songs to a completely empty library. It was behaving alright until I got to about 3k or 4k songs added then it really took a nose dive. I also have tried explicitly changing the iTunes media folder rather than using an alias and its still not behaving well.


    One recourse might be to go back to manually organizing and keep some files on the SSD, but I'd rather have iTunes keep my media files organized for me. It sounds like a total pain to do otherwise, especially as I'd need to move stuff off to the card and then have iTunes relocate these files.


    If anyone has tried this as well or has any suggestions, let me know.

  • lippyloggy Level 1 Level 1

    I've been using my Transcend SDXC 64GB flash card for my iTunes library for months with no problem. For movies, music, and everything else. Did you format it first? If so, what format did you use? Would the size of the card effect the speed?

  • bryguy13 Level 1 Level 1

    I did not format myself, but it is in the ExFAT format. I'm not sure if the size would effect the speed, but as I said when I started with a fresh library it started to slow down around 2000 or 3000 songs.


    I'm curious, do you get any kind of slowdowns with iTunes? Adding an album of songs? How is your Library setup, did you set the Media Folder location within iTunes or use folder aliases?

  • lippyloggy Level 1 Level 1

    I haven't had any slowdown issues. I know originally I formatted it as Mac OS X (Journaled). Don't think I ever changed it to ExFAT. I set the actual iTunes Library (not an alias of) on the card. I've added a lot of iTunes movies and large audio files as well.

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