This is virtually the memory card must matter ... anyway its technical features are well above the requirements of latest cameras Professional SLR and semi-professional, who may have trouble with slower cards, including for HD video function and shooting burst. (Although rely on descriptions expressed in MB / s and not the relative speeds x166, x200, x300 ... whose meaning can vary from one brand to another) And the picture is better than a 2 cards 8GB 16GB card ...