MicroSD brand and class ratings.

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  1. #1
    Hookette's edgy lately
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    Default MicroSD brand and class ratings.

    I'm looking to get a 32Gb MicroSD card (which will get me 40Gb memory). I usually buy from Newegg and was looking to get a class 10 although I'm not entirely sure that the PDA itself can take full advantage of those speeds. I am, however, trying to stay below $50.

    I found a PNY Class 10 with mostly good reviews, but peppered in there are complaints about card failure, which you find with many of the 2nd tier card brands.

    However, I also found a Sandisk card that is rated Class 4, but has almost universal glowing reviews including claims that speed tests show it operating at much faster than Class 4.

    I'm thinking very seriously of going for the Sandisk Class 4.

    I'd love input from people who know far more about these things than I do.

    Here are the two I am considering so far (I'll probably keep looking around).

    Newegg.com - PNY 32GB Micro SDHC Flash Card Model P-SDU32G10-EFS2

    Newegg.com - SanDisk 32GB Micro SDHC Flash Card w/ Adapter Model SDSDQM-032G-B35A

    TIA
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  2. #2
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    Default Re: MicroSD brand and class ratings.

    Quote Originally Posted by Hook View Post
    I'm looking to get a 32Gb MicroSD card (which will get me 40Gb memory).
    If you're planning to use this with the Player 5, be aware that although it has 8GB of internal storage, the drive that's available for the user is only 5GB. And the 32GB card will actually yield a little under 30GB (mine gives me 29.7GB right after formatting). So the total storage memory will be a tad under 35GB.
    EDIT: I see that it is for the GP5... I didn't notice on what forum you posted this thread!
    Quote Originally Posted by Hook View Post
    I usually buy from Newegg and was looking to get a class 10 although I'm not entirely sure that the PDA itself can take full advantage of those speeds. I am, however, trying to stay below $50.
    I'm not sure the GP5 will benefit from the higher rating. The camera itself at just 3.2MP is immune to the benefits of a high rating card. On my GP5, using a 32GB class 4 Sandisk SD card, I haven't noticed any lag that could be attributed to the card rating. I also tried with a class 6 card, and I didn't notice any HD video playback improvement. However, I haven't tested higher rating cards. If you want to stay below $50, check the 32GB card I got from Amazon for $27. Although the listing does not specify rating, the card itself is labeled as class 4.
    Quote Originally Posted by Hook View Post
    I found a PNY Class 10 with mostly good reviews, but peppered in there are complaints about card failure, which you find with many of the 2nd tier card brands.
    Yes, PNY does seem to have more than a fair share of failure reports. I've used only two PNY cards in 12 years, and both failed within a year. That's enough evidence for me.
    Quote Originally Posted by Hook View Post
    However, I also found a Sandisk card that is rated Class 4, but has almost universal glowing reviews including claims that speed tests show it operating at much faster than Class 4.
    That may very well be the one I have. Do you have a benchmark program for Android that you trust? If you want I can run it with my card on my GP5.
    Last edited by raspabalsa; 02-25-2012 at 11:51 AM.
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  3. #3
    Hookette's edgy lately
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    Default Re: MicroSD brand and class ratings.

    Quote Originally Posted by raspabalsa View Post
    If you're planning to use this with the Player 5, be aware that although it has 8GB of internal storage, the drive that's available for the user is only 5GB. And the 32GB card will actually yield a little under 30GB (mine gives me 29.7GB right after formatting). So the total storage memory will be a tad under 35GB.
    EDIT: I see that it is for the GP5... I didn't notice on what forum you posted this thread!
    Yeah, I knew I was being grandiose. I know listed capacities are never usable capacities.

    I'm not sure the GP5 will benefit from the higher rating. The camera itself at just 3.2MP is immune to the benefits of a high rating card. On my GP5, using a 32GB class 4 Sandisk SD card, I haven't noticed any lag that could be attributed to the card rating. I also tried with a class 6 card, and I didn't notice any HD video playback improvement. However, I haven't tested higher rating cards. If you want to stay below $50, check the 32GB card I got from Amazon for $27. Although the listing does not specify rating, the card itself is labeled as class 4.
    That's kind of what I figure. Plus I get the feeling that not all cards are equal, class rating notwithstanding. I saw the card at Amazon you linked to, but i don't like memory cards on Amazon sold by another seller. I like Newegg because I've found them very reliable for stuff like that. I might consider this one which *is* direct from Amazon:

    Amazon.com: SanDisk 32 GB microSDHC Flash Memory Card (card only) SDSDQM-032G: Computers & Accessories

    Yes, PNY does seem to have more than a fair share of failure reports. I've used only two PNY cards in 12 years, and both failed within a year. That's enough evidence for me.
    Okay, that one goes off the list.

    That may very well be the one I have. Do you have a benchmark program for Android that you trust? If you want I can run it with my card on my GP5.
    No, I've never gotten that technically into it. That's why I post here.
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  4. #4
    Hookette's edgy lately
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    Default Re: MicroSD brand and class ratings.

    By the way, one of the reasons I like Newegg for "parts" is I find their user reviews both more technical and reliable than Amazon, but maybe that's just me.
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  5. #5
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    Default Re: MicroSD brand and class ratings.

    Quote Originally Posted by Hook View Post
    Plus I get the feeling that not all cards are equal, class rating notwithstanding.
    Yes, I've had the same feeling, especially with Trascend cards or Corsair cards, it always seems to me that they're faster than they should.
    Quote Originally Posted by Hook View Post
    I saw the card at Amazon you linked to, but i don't like memory cards on Amazon sold by another seller. I like Newegg because I've found them very reliable for stuff like that. I might consider this one which *is* direct from Amazon:

    Amazon.com: SanDisk 32 GB microSDHC Flash Memory Card (card only) SDSDQM-032G: Computers & Accessories
    Looks like the same I purchased, and only a bit more expensive, not a real concern if it makes you more comfortable.
    Quote Originally Posted by Hook View Post
    No, I've never gotten that technically into it. That's why I post here.
    Well, I haven't run any card benchmarks on my GP5. I don't know what, if any, reliable programs exist for Android. I'll see if I can find any later today.
    Last edited by raspabalsa; 02-25-2012 at 12:38 PM.
    raspabalsa
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  6. #6
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    Default Re: MicroSD brand and class ratings.

    I have 32GB Transcend and SanDisk cards, both class 4, and both cost just shy of $1/GB (fairly standard these days).

    From my very limited understanding, class rating was established for video recording, and for the most part shouldn't matter unless you're using it in a higher-end camera or camcorder.

    Quoting from Wikipedia, "Speed Classes 2, 4, and 6 assert that the card supports the respective number of MB/s as a minimum sustained write speed for a card in a fragmented state. Class 10 asserts that the card supports 10 MB/s as a minimum non-fragmented sequential write speed."

    I'm not sure what it all means, but it looks like something happened between class 6 and 10 in terms of measuring and maybe how the data is written.

    I'm confused. But I'm happy with class 4 in my current devices.
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  7. #7
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    Default Re: MicroSD brand and class ratings.

    Quote Originally Posted by Hook View Post
    By the way, one of the reasons I like Newegg for "parts" is I find their user reviews both more technical and reliable than Amazon, but maybe that's just me.
    I agree wholeheartedly. Even when I'm not buying tech from Newegg, I still hit up their reviews for info. Someone there is going to bench the heck out of whatever I'm looking at and report in full. And I got the same impression about sandisk as you did, from reviews/benches and experience. Every batch has duds and winners, but Sandisks seems to have a better average.

    Higher speeds aren't worth the premium unless you need them, true enough. Besides the camera, if you are copying, say, video or a lot of audio files to your device regularly, you may appreciate the boost. It's hardly a need, but sometimes the wait on a true class 2 can get old if you do it often.
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  8. #8
    Hookette's edgy lately
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    Default Re: MicroSD brand and class ratings.

    Yeah, I think I've decided to go with the Sandisk I linked to at Amazon (About $1.68 more than the one Raspy linked to). I really don't think, after digging around, that Class 10 does enough to make me care about it and Sandisk seems to have a very good reputation for performance.

    Thanks folks for the feedback!
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  9. #9
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    Default Re: MicroSD brand and class ratings.

    I previously boot CM7.1 on my Nook Color from the microSD card (still do on my son's). While looking into which card was better, I came across this thread. It discusses sequential read/write and random read/write speeds, among other things. It also has a link comparing various card benchmarks. Among other things, SanDisk generally was a good choice.
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  10. #10
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    Default Re: MicroSD brand and class ratings.

    If you want 32GB Class 10 with overall good numbers from the Benchmark Comparison in the post I linked to, the Samsung is going for $39 .

    Edit: The 2 reviews at Newegg are very good (one reviewer using it on Samsung Galaxy SII ) although at Amazon, not so great.
    Last edited by jigwashere; 02-25-2012 at 05:52 PM.
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