DP*M : Does SD interface bus speed warrant paying premium for UHS-II cards ?

Started Dec 3, 2012 | Discussions thread
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cquarksnow
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DP*M : Does SD interface bus speed warrant paying premium for UHS-II cards ?
Dec 3, 2012

When I got the DP1M last September, I bought a 64GB SanDisk Extreme Pro SDHC card, theoretically capable of 95MB/s, yet it did not seem to me that the DP1M was able to write to it faster than 16MB/s average, taking about 4 seconds to write a 64MB X3F

Could anyone verify the bus version [Normal Speed v1.01 @ 12.5MB/s or High Speed v2.00 @ 25MB/s or 3.01 @ 50-104MB/s or 4.00 @ 156-312MB/s] ?

As I am not sure that the write speed is constant, so I would not want to impair performance if any burst reaches 95MB/s

Thanks,

Chris

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