Tested multiple times and this is the average: Sequential Write (4MB): 30.43MB/s Sequential Read (4MB): 75.87MB/ s Random Write (4 KB): 53.01 KB/s Random Read (4 KB): 3.76 MB/s Memory Copy (4 MB): 8.72 GB/s I have 64 and 128 GB cards Bought, tested both
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