detection method
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1, on the computer to install the USB Flash speed test tool: USB Flash Benchmark, open the software, insert the USB disk, select the USB disk.
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2. The speed measurement principle is to write 100MB files to the disk, and then read, so that you can test the write speed and read speed.
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3, because the time speed measurement time is a little long, here is only to demonstrate. The green end of the 16MB\/s is the read speed, the red end of the 4MB\/s is the write speed.
1 Need to use professional software to test the USB flash drive read and write speed
2 Commonly used test software CrystalDiskMark, ATTO Disk Benchmark and other
3 In the test, you need to pay attention to the capacity of the USB flash drive, interface type and other factors in order to more accurately evaluate the USB flash drive read and write speed.
At the same time, also pay attention to the test USB disk is not occupied, otherwise it will affect the test result.