What are the transfer rates of the X7?

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A: Transfer rate depends on the data format and the micro SD card used.  Using a Sandisk Class 10 SD card, the following results were obtained using the ATTO Disk Benchmark:Internal memory: writes 13MB/s, reads 39MB/s (approx.)
Micro SD card: writes 7.5MB/s, reads 38.5MB/s (approx.)
Micro SD card used: Sandisk Class 10
Testing app: ATTO Disk Benchmark