http://www.digicamhelp.com/accessories/memory-cards/sdxc-memory-cards/ Digital Camera Help for Beginners & Beyond Mon, 13 Feb 2012 02:07:06 +0000 hourly 1 http://wordpress.org/?v=3.3.1 http://www.digicamhelp.com/accessories/memory-cards/sdxc-memory-cards/comment-page-1/#comment-7667 Natasha Wed, 14 Sep 2011 02:58:12 +0000 http://www.digicamhelp.com/?p=10501#comment-7667 Any <a href="http://www.awholesalecompany.com/memory-cards.html" rel="nofollow">memory card</a> that is rated using the “Class” system is a newer SDHC card. The older cards were rated with “X-factor” which many found misleading. The X speed measurement was the maximum possible write speed while the Class speed measurement is the maximum sustainable write speed. It like saying that my car can hit a top speed of 90 MPH (X-speed) but for cruising over long periods of time the max speed is 75 MPH (Class speed). Any memory card that is rated using the “Class” system is a newer SDHC card. The older cards were rated with “X-factor” which many found misleading. The X speed measurement was the maximum possible write speed while the Class speed measurement is the maximum sustainable write speed. It like saying that my car can hit a top speed of 90 MPH (X-speed) but for cruising over long periods of time the max speed is 75 MPH (Class speed).

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