This card worked great in my 7D. I mainly shoot gymnastics and it's not uncommon to shoot 3500 shots in a two hour meeting. After more than 30 days of use and almost 30,000 photos, this card worked perfectly. Shooting continuously at 8fps I can easily get 20 seconds and 160-170 JPEG shots at full resolution (18 megapixels) before the 7D slows down at all. I've only shot a few short HD videos with this card and the 7D, but there were no problems either. With a few apps to test, I get a consistent write speed of 55MB/s. I don't remember the reading speed because I honestly don't care. Write speed is everything to me. No, it's not a Toshiba Exceria, but it doesn't cost as much as an Exceria card. I will buy more of these cards.
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