How to check my microSD card classes?

Discussion in 'General Off-Topic Chat' started by CookiesMilk, Jul 15, 2010.

  1. CookiesMilk
    OP

    CookiesMilk GBAtemp Regular

    Member
    1
    Jun 27, 2010
    Malaysia
    Got class 2,4,6 etc right... How to check mine?
     
  2. naglaro00

    naglaro00 Mildly disturbed

    Member
    2
    Jun 5, 2009
    Pulse
    It's written on the card itself
     
  3. tk_saturn

    tk_saturn GBAtemp Psycho!

    Member
    1
    Jan 26, 2010
    Run a speed test. Crystalmark, hdtach etc.
     
  4. Rayder

    Rayder Mostly lurking lately....

    Former Staff
    4
    Jan 14, 2007
    United States
    USA
    If you look on the SD card itself, it should have a number in a circle, that is the class of the card. Class 2 (for example) means it can sustain a 2 megs per second write speed. Read speed is almost always faster. There is also response time which is preferable to be under 1 millisecond.

    If you run a speed test, the upload speed determines the class. Be warned though, many card readers limit your speed and a speed test may not always be accurate because of that.
     
  5. Szyslak

    Szyslak Nudibranch Lover

    Member
    2
    Oct 31, 2006
    United States
    NY
    Also be warned that the testing programs (like hdtach) can heat up the card readers and fry cheap ones. Don't run too many speed tests in a row. Been there, done that. Multiple fried readers before I figured out what was happening.
     
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