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SD Card slot MBP

  • 06-07-2012 1:35pm
    #1
    thecommander
    Registered Users, Registered Users 2 Posts: 2,537 ✭✭✭


    Looking at options to add more storage onto a new MBP retina, and was thinking about SD cards. They now come in fairly big sizes, but I'm not sure how fast they are compared to say a USB external 2.5inch drive.

    Anyone have any real world experience?


Comments

  • #2
    PCPhoto
    Registered Users, Registered Users 2 Posts: 6,584 ✭✭✭PCPhoto


    Eh !!

    you are looking at comparing the write speeds of an SD card versus an external hard drive (connected via usb/firewire/thunderbolt)

    depends on which connection the external hard drive is connected with .... but I'd say most of them would be faster to use the external hard drive .....size is a different thing, the SD card is tiny while an external hard drive will be considerably bigger.

    and of course there is the reliability issue - corruption of data is highly possible with both SD/external hard drive ....more-so with the SD


  • #3
    MiniNukinfuts
    Registered Users, Registered Users 2 Posts: 951 ✭✭✭MiniNukinfuts


    If you're looking for storage for the retina, get either a USB 3 drive or a thunderbolt, the speeds off most SD's are pathetic compared to the likes of USB 3 or TB. And if you were in the market for a fast SD, you'd get an even faster ext hdd with 10x the storage for the same price as it


  • #4
    thecommander
    Registered Users, Registered Users 2 Posts: 2,537 ✭✭✭thecommander


    thanks


  • #5
    catching_streams
    Registered Users, Registered Users 2 Posts: 67 ✭✭catching_streams


    This may also be of interest: http://www.kickstarter.com/projects/1342319572/the-nifty-minidrive


  • #6
    thecommander
    Registered Users, Registered Users 2 Posts: 2,537 ✭✭✭thecommander


    thats what started my search!


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  • #7
    Hobbes
    Registered Users, Registered Users 2 Posts: 21,264 ✭✭✭✭Hobbes


    MiniNukinfuts wrote: »
    If you're looking for storage for the retina, get either a USB 3 drive or a thunderbolt, the speeds off most SD's are pathetic compared to the likes of USB 3 or TB. And if you were in the market for a fast SD, you'd get an even faster ext hdd with 10x the storage for the same price as it

    The latency is going to be at the read/write time, not transfer speed. Be it TB or USB3.

    SDXC transfer speeds are rated on the card.

    https://www.sdcard.org/consumers/speed/

    Class 10 will transfer approx 14.6MB a second (max possible speed of 20MB a second).

    Also be aware that SDXC slot is designed to leave a normal SD card hanging out.


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