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9 of 10 people found the following review helpful
on February 22, 2012
I was prompted to try a faster microSD card in my HTC Evo Shift 4G Android phone by an article in ComputerWorld stating that flash memory was to blame for slow smartphone performance. My old card was a Class 6 16GB microSD from AData. After I copied everything from the old card to the new one I inserted the new card and booted the phone. Boot time appeared to be much faster. I immediately noticed that all of the lag I had experienced before was gone. I had previously noticed lag in Handcent as the number of messages increased. I currently have multiple threads where the number of messages is at the auto delete point I had set, with no lag. Multiple tabs of web pages in Opera Mobile had also been an issue. Scrolling through pictures is also faster.
Having not run any benchmarks on the AData card, I can't say for sure whether the previous issues were because of the class of card or just that specific card.

I am very impressed with the performance of the Samsung MB-MPAGA card and would recommend any Android user try it.
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4 of 4 people found the following review helpful
on April 21, 2012
Update: SanDisk's second generation Mobile Ultra cards offer the same storage and on par performance for cheaper. I'm not very sure of longevity of their cards but if you want to save some money, check out this item SanDisk Ultra 16 GB MicroSDHC Class 10 UHS-1 Memory Card with Adapter (SDSDQU-016G-AFFP-A)

I have quite a few microSD cards. One thing that lacked with all was that they all were slow, Class 4 cards with barely any storage. For once, I finally found a Class 10 card that offers a good price per a gigabyte on the card. After looking at the formatted capacity, you actually get 15GB of storage on the card (it's not just Samsung, just blame the difference between P/V storage which is what they market and the actuality of disk storage is what you get) due to the differences said in the type of storage counting used.

Enough about computer storage science, let's go on to the review! So like I said earlier, the price per a gigabyte is really cheap for microSD cards. With the 16GB card here (15GB in actuality), each gigabyte costs $1.66 each. With the 32GB card (30GB actuality) at $40, it is $1.33 per a gigabyte of storage. So while the other might be a better deal, you shouldn't pay for more than you have to. I would say 16GB is enough for the vast majority. I already put 500 songs on it and that is only 3GB of storage. Add my 10 TV episodes (HD and SD mixed), and that is another 7GB or so. Even there, I got 5GB left which is still enough to record a few hours of video or take pictures with. Chances are though, many of you won't put video on here but use it as a speed boost for your phone and/or video and pictures.

When I first got the card, I wanted to test out the speed of the card. Read speeds don't matter much as it is only applicable for pictures or documents that display in one go. For music or video, you won't even take note that it has a finite read speed. In terms of write speed, it varied depending on what I was putting on it. When writing 3GB of music to it, speeds peaked at 7MB/s while my 7.4GB of video peaked at 17MB/s. So write speeds really depend on what files you are putting on it and how varied the files are from each other. If you are using any other class of card now, you will notice the difference big time.

As to their 3-Proof technology, I can vouch it is waterproof as I happened to spill water on it and it worked just after. I highly doubt any of that other stuff will happen but the most important thing to know is that microSD cards are super tiny. If you think finding a penny under the couch is hard, try finding this. Also, I actually dropped this and slid down a trash trap and it was a nightmare to find. So whatever you do, don't lose it!

Finally, I'd like to say the card I got was black with the '16GB' in orange. I was wishing for the white one because it would be easier to see if I did drop it but I guess a microSD is a microSD.
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4 of 4 people found the following review helpful
on December 1, 2011
A simple file copy test shows:

Write: 17 MB/s
Read: 20 MB/s

slightly less than the claimed speed but close.
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2 of 2 people found the following review helpful
on May 16, 2013
Been couple of months and haven't had any issues. No lag, hiccups, etc. Better than a previous SanDisk I had. Maybe a Samsung + Samsung product is the way to go. Keep it all in the family and you should be good.
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2 of 2 people found the following review helpful
on January 28, 2013
I am very happy with the purchase very good recommend the product and a good price. I hope to buy again thanks
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2 of 2 people found the following review helpful
on March 11, 2012
I added this to my Sony Ericsson Xperia X10 to replace a 16GB Adata Class 6 card. After duplicating the contents over to Samsung card, I did the following tests.

Crystal Mark 3.0.0 (connected via USB)
Adata Class 6: 13.96MB/s Read and 7.62MB/s Write
Samsung Class 10: 18.63MB/s Read and 14.11MB/s Write.

SDTools Test
Adata Class 6: 15.83MB/s Read and 6.40MB/s Write
Samsung Class 10: 16.93MB/s Read and 9.23MB/s Write

Synthetic tests aside the overall usage is noticeably faster especially when transferring files directly to my computer, simply moving apps to SD card, or restoring apps saved on my SD card via Titanium.

So, I'm pretty happy with this item and it's breathed a little new life into my aging phone.
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2 of 2 people found the following review helpful
on February 1, 2013
Fast, large capacity, and compact a great combination for any buyer.
I have one in my tablet and another in my smartphone both hold all my movies and music on the go.
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4 of 5 people found the following review helpful
on September 8, 2013
This item was not what I ordered, it was micro sd 16gb adapter, instead of an micro ad card. I am very angry and would like a refund
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3 of 4 people found the following review helpful
on August 1, 2012
My galaxy S3 didn't recognize this microsd meaning I cannot move apps onto it. It doesn't even say samsung under storage. I tried reformatting it which did not help.
on top of everything the micro sd that arrived was black it was not the great brushed metal color you see here in the pic. Very disappointed. Were it not for the fact that
my niece threw out the original packaging which was hard to open btw I would have returned this product. One of the few times I've been disappointed ordering from Amazon.
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1 of 1 people found the following review helpful
on February 17, 2012
The first thing I did when I opened the package was to test the write speed. I copied a 1.7GB file onto the card, the speed hovered around 18.5MB/s and hit 19MB/s briefly. I don't know how to test the read speed so I can't fill you in on that.

Besides the apparent great quality you're getting when you buy this card, is that you get a MicroSD card adapter with it. I was really appreciative for this because I thought I was going to have to buy one separately. After looking for a adapter by itself on here prior to receiving this, I was worried I was going to get one that would be incompatible, or not give me the full read/write speeds with this MicroSD.

As far as the MicroSD color, the top of the card is the only silver part (Where it has "Samsung 16GB MicroSD HC"), the rest is black (edges and bottom).

I would highly recommend this product to anyone. As soon as you open the mailing package, you can tell right away that this is a top-quality product.
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