I first copied a 1.1GB file from my computer to a USB drive at about 20MB/s, but then after the first fifth of the file was transferred, the speed dropped to 3 - 6MB/sec. Worse than my old 8GB Lexar, which maintained a steady 7MB/s the entire time. It seems like SankDisk has stopped quality control, especially since many customers are reporting strange heat issues on pricier models.
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