I think this is the cheapest option I've seen and mine seems to work very well. Despite a lot of mixed reviews I've seen about this card in the past, I decided to take a chance because I needed a second card to record Magic Lantern RAW on my 5dIII - in addition to the original card I bought, a Lexar 1066x. I was happy that this Komputer Bay card is slightly faster than my Lexar card which compared to my Lexar which used to fill its buffer and drop a frame to 10-12 seconds. .
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