Speed measured with CrystakDiskMark 3:03 is for sequential reading or writing 33.79 and 29.97 MB / s (100Mb block, tested in the internal card reader of my computer) which is significantly faster than the previously used 32 GB card from Transcend the least Class 10 already was (21.83 and 15.95 MB / s).
Price-capacity ratio is unbeatable.