12-18-2008, 01:12 AM
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Location: New Orleans
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Re: Speed up Storage Card
Quote:
Originally Posted by BigDiesel07
Happy to hear it ez2.. Hey.. What is the difference between all the different "Classes"?
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Taken from Wikipedia...
Quote:
SDHC cards have SD Speed Class Ratings defined by the SD Association. The SD Speed Class Ratings specify the following minimum write speeds based on "the best fragmented state where no memory unit is occupied":[18]- Class 2: 2 MB/s
- Class 4: 4 MB/s
- Class 6: 6 MB/s
SDHC cards will often also advertise a maximum speed (such as 133x or 150x) in addition to this minimum Speed Class Rating. See section Speeds above for a further explanation. One critical difference between the Speed Class and the maximum speed ratings is the ability of the host device to query the SD card for the speed class and determine the best location to store data that meets the performance required. "Maximum speed" ratings are quoted by the manufacturers but unverified by any independent evaluation process.
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