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Top 10 Best SD Memory Cards Tested 2015

Top 10 Best SD Memory Cards Tested 2015 - We test the latest SDHC / SDXC and Sony memory cards to find out which are the quickest. Updated June 2015.

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Category : Recordable Media
Product : 8Gb SDHC Plus Class 10
Price : £18
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Class 4, Class 6, Class 10, UHS:I, U:1 - What does it actually mean for the performance of a memory card? Find out here in our tests.


Top 10 Best SD Memory Cards

Here's what 344GBs of storage looks like spread over 10 memory cards and some of them have aged better than others with some looking surprisingly aged despite being relatively new. Here is a list of all the cards we have tested, sorted with the quickest write speeds at the top. We used a USB3 card reader for testing as write and read speeds increase from 25-30MB/s up to 80-90MB/s (around 3 times quicker) compared to  a USB2 reader.

Memory Card speed chart

In photography write speeds are the most important as this is the speed at which a device such as a digital camera can write photos to the memory card. If write speeds are slow, then it may slow down your shot-to-shot time or the amount of photos you can continuously write to the card. The read speed is important for when you want to view the photos or copy them onto a computer or other device.

  Card Tested: Write MB/s Read MB/s Average
1 Transcend Ultimate 64GB SDXC UHS:I U:3 - Review 80.81 90.61 85.71
2 integral ultima PRO X 32GB SDHC UHS:I U:3 R95/W90 - New 79.08 91.44 85.26
3 Samsung PRO 32GB SDHC UHS:I U:1 - Review 78.59 90.82 84.705
4 Sandisk Extreme Pro 95MB/s UHS:I U:1 SDHC 78.21 92.27 85.24
5 Kingston 64GB SDXC UHS:I U:3 R90/W80 - New 75.10 91.62 83.36
6 PNY Elite Performance 100MB/s UHS:I U:1 SDHC 63.34 90.45 76.895
7 Lexar Professional 633x 32GB SDHC UHS:I U:3 R95 - New 46.17 84.13 65.15
8 Verbatim Premium 600x 64GB SDXC UHS:I U:1 - New 39.28 92.11 64.695
9 Panasonic R90/W45 UHS:I U:3 SDHC 28.99 85.03 57.01
10 Sony 94MB/s UHS:I U:1 SDHC 22.72 87.24 54.98
- Sony Memory Stick Pro-HG Duo HX MagicGate 8GB* 16.18 17.15 16.66
- Fujifilm 1GB M+ XD Memory Card* 2.33 5.4 3.86


Another important factor to consider is warranty and reliability. Ideally you would want the most reliable card possible so that your photos are never lost however, if the card does fail then a long warranty will mean that the manufacturer should replace or repair your card. Although, recovery of images is unlikely when a card physically fails, recovery software can help recover accidentally deleted files. 

Reliability can't be determined on new cards, as it could take a long time for the card to fail, if it ever does. One thing to consider is how durable the card is and if you look at Samsung cards, for example, they are waterproof, shockproof, magneticproof and come with a 10-year warranty so should survive much more mistreatment than others, as we found out in our test of one of their microSD cards.

Looking for a MicroSD card? Have a look at the Top 10 Best MicroSD Cards.
Find out more about memory cards, in our complete guide to memory cards.

* We've included XD and Sony Memory Stick memory just as a reference point, tested on a USB2 card reader, and you can see why it was a good idea for manufacturers to move away from using XD.

Updated: June 2015.

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Some the cards in this test are advertised for very high speeds, where as in practice they seem to be capable only a third of that. I would like to see a similar review of high speed CF cards.

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You are right that every digital camera has required extremely speedy writing and reading accessibility memory card. Actually, most of the memory card issues handling by tools, but some sort of cases such as physical error of a memory card and require to memory card repair as well memory card data recovery , obviously take the assistance of an expert.
What do you think about the qumox sd card? I heard it's good one and cheap sd, I found a review and sd test here http://tweaknology.org/2014/07/27/migliore-micro-sd-da-32gb-per-rapporto-qualitaprezzo/ Would you advice me to buy it? Thanks for your time guys Smile
A general observation on the writing in your articles -
you might want to have your writers and editors (if there are any) review the definition of a sentence and the proper use of periods and other punctuation marks.
Just sayin' . . .

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