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Showing 1-10 of 2,832 reviews(Verified Purchases). See all 3,028 reviews
on March 29, 2012
I purchased the 32gb version . Its spacious and has great read speeds but the write speed is mediocre compared to my AmazonBasics 16gb microsd that gets 24MBps read and 22MBps write
Using a Transcend USB 3.0 card reader I get
On ATTO 45MBps read ; 14 MBps write
and on CrystalMark 45MBps ; 13 MBps write
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Fast, flawless memory for my cameras. Although I do have a few chips from other manufacturers, these are the best. I've never gotten a bad one or had one fail me despite heavy usage -- frequently taking it out of the camera to be read in the computer, then clearing and reinserting it into a camera. These chips are fast and improve my camera's response time regardless of which camera I am using (I have three).

I have never had a problem with a SanDisk chip. Any SanDisk chip of any size or type. They seem to have superb quality control. I have had problems with other chips from different manufacturers, especially the ones that seem to come "free" with "kit" purchases of various types. I keep those for emergencies, but all my workhorse chips are now SanDisk.

I wait until they are on sale, then buy a couple at a time. I prefer to use many medium size chips to just a few bigger ones. Huge ones just encourage me to over shoot or download too infrequently. That being said, 8 GB is a pretty good size chip, even if your are shooting RAW+jpg.

I don't think you can go wrong with a SanDisk Class 10 of any size.
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I have always been afraid to use large flash cards because, if something goes wrong, you risk losing a LOT of photos. (I am a great believer in not putting too many eggs in one basket). As file sizes get larger with the newer digital cameras, however, it becomes uncomfortable to have to frequently change flash cards when you use smaller capacities. So it was with great hesitation that I worked my way up to these 16GB cards. Luckily, I am now on my 3rd and haven't had a single problem, let alone a failure.

They are fast, reliable, easy to read in most readers and, even though I fill them up fast and re-use them frequently, I have found them to be dependable and have (for the most part) lost my eggs/basket phobia.
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Over the years, I have used many memory cards from the Sandisk Ultra-series. Their earlier cards (such as SanDisk Ultra 16GB SDHC SDSDRH-016G-A11) were called 'class-4'. But later cards in the same series were labeled as 'class-6'. Now this SanDisk Ultra 32 GB SDHC SDSDU-032G-AFFP is even marketed as 'class-10'. The cynic in me has to ask: are those the same card being sold at different prices? So I used three different benchmark programs to measure the performance of this Sandisk class-10 card, and compared against my other class-10 SDHC cards of various brands.

First, I used a benchmark program called "H2testw v1.4" to find out the write speed for large (1GB) files. This is essentially the same as the sequential-write speed used for SD card speed ratings. To qualify as a class-10 card, the card must be able to sustain sequential-write speed of 10MB/s.

Here are the Write speeds for all my class-10 SDHC cards: (Note that their Read speeds are all around 18MB/s, which is limited by the card reader I'm using)
HP CG790A : 15.1MB/s
Transcend TS16GSDHC10E : 14.6MB/s
PNY P-SDHC16G10 : 13.6MB/s
Kingston SD10G2/16GB: 10.7MB/s
- Sandisk Ultra 32GB class-10 (this product): 10.6MB/s
Wintec Filemate 3FMSD32GBC10-R: 10.2MB/s

As we can see, the Sandisk Ultra ranked near the bottom even though it still qualifies as a class-10. This looks disappointing so far. However, the results from other benchmark programs ("Flash Memory Toolkit v2.0" and "CrystalDiskMark 3.01") were more impressive. The Sandisk Ultra card delivered excellent write speed for both large and small files, while most other cards performed poorly for smaller files (see pictures I uploaded to 'Customer Images' section for details).

Of course, the REAL benchmark needs to be done in the actual application. For that, I inserted each card in my Canon Rebel T1i, set it to save both RAW and JPEG formats, then took 10 consecutive shots in burst mode. The Sandisk Ultra card ranked right in the middle among my class-10 cards in this case. It took 23.8 seconds to save all 250MB of data. For comparison, my fastest card (HP class 10) took just 16.7s to finish, while the slowest class-10 card (Wintec Filemate) took 28.3s.

Bottom Line:
This Sandisk Ultra SDHC card meets the minimum Write speed requirement of 'class-10' card, and it performs equally well for writing large or small files. That means it will work reliably in any appliance that requires a class-10 card. However, it is not the fastest amoung all budget-priced calss-10 SDHC cards I have tested. The HP class-10 card, for example, gives 40% faster write speed for about the same price, so it is a better value.
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on January 25, 2016
Fast memory, perfect amount of storage, great value price, and long lasting. I have been using this card for over 2 years in an audio recorder now. I have made dozens of recordings, edits, file transfers with computers, card readers, etc. and this thing has worked like a champ everytime. I'll update the review if and when it ever fails but so far it is cranking away and performing at or above my expectation level.
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on January 14, 2014
very reliable, used in canon 2500 tiny little camera where you can put 3753 photos of that 18 megapixel tiny sensor,
and on the canon M with a relatively huge sensor in a little body, did not give me any problems ... I AM ready to order
more 32 gb cards from the same manufacturer ... The photos on canon 2500 are 16 mp 4608 x 3456 and thats awesome, not to mention more than an hour of video ... on canon M you can put 1962 largest photos of 18 mp 5184 x 3456, with this huge sensor its an incredible deal ...
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TOP 1000 REVIEWERon December 17, 2013
I bought this to replace a SanDisk 4GB memory card in a Canon A1100 and is has been functioning properly. The write speed is nothing to get excited about - I tried this card in a DSLR and for some reason write speed isn't as fast as a SanDisk 16GB in the same camera. Apparently it meets the Class 10 performance specs but doesn't go above and beyond. Overall, it's a good quality flash memory card, but I wish I could use the faster 16GB in the A1100.
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TOP 1000 REVIEWERon February 12, 2013
Always trust SanDisk for quality products, and this one is no exception. A MUST HAVE for those who's camers take photos using higher MP. You take high resolution photos, a 2 mp card holds nothing........especially when going on vacations.
You need at least 1 of these in your camera's accessory bag. The Ultra is nice for those occassional Video's you take using your NON video camera. Fast capture, smooth playback........ Thanks for another great product SanDisk
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TOP 1000 REVIEWERon August 10, 2014
Great card and I've never had a bit of trouble with using one. In and out of camera, PC and laptop constantly and no worries. You can trust for your vacation pictures! Beautiful quality. I give it 5 stars and a high recommendation for your cameras.. SanDisk a fantastic brand!
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on December 4, 2015
Works well. Easy to hide sensitive data in secret spots in order to get around search warrants. Also works well in cameras. Haven't lost any sensitive data, family photos, OR been convicted of racketeering.
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