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Old June 17th, 2012, 04:39 PM   #1 (permalink)
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Default memory card class 4

Hi all i am wanting to get a 32gb memory card for my arc and also my fella's xperia play. Ive found some on ebay but they are coming up with class 4 on them. What does this mean? I noticed on my 8gb in phone says class 2 . Is this class bit important?

Thanks in advance for any help

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Old June 18th, 2012, 10:01 AM   #2 (permalink)
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Hi Hels
Here's what a Google search of "memory card class definition" reveals:

Secure Digital - Wikipedia, the free encyclopedia

Quote:
Speed Class Rating

The SD Association defines standard speed classes indicating minimum performance to record video. These are defined in terms of suitability for different applications:
  • Class 2 for SD video recording (2 MB/sec)
  • Class 4 and 6 for HD ~ Full HD video recording (class 4: 4 MB/sec, class 6: 6 MB/sec)
  • Class 10 for Full HD video recording and HD still consecutive recording (10 MB/sec)
  • UHS Speed Class 1 for real-time broadcasts and large-size HD videos
The specification defines these classes in terms of performance curves which translate into the following minimum performance levels (on an empty card)
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Old August 24th, 2012, 06:42 PM   #3 (permalink)
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Quote:
Originally Posted by hels View Post
Hi all i am wanting to get a 32gb memory card for my arc and also my fella's xperia play. Ive found some on ebay but they are coming up with class 4 on them. What does this mean? I noticed on my 8gb in phone says class 2 . Is this class bit important?

Thanks in advance for any help

The higher the class... the higher the read/write speed... anything class 4 and above is sufficient.

Edit: just realized this is an old thread..
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Last edited by sdrawkcab25; August 24th, 2012 at 06:46 PM.
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Sony Ericsson Xperia Arc S
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Sony Ericsson announced the Xperia Arc S on August 31st, 2011 as a 1.4GHz upgrade to the original. Other than that and thef act that it has a "reality display", not much is known about the new version. ... Read More



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