Samsung 64GB MicroSD EVO Memory Card 100MB/s U3

SKU: 04A00010C

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i don't know. you'll have to ask a technician for further assistance. 
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It should work on any device as long as it has a slot for an SD card 
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I don't think iphone's ever offer expansive mass storage. They come in different models with a solid definitive capacity of storage. If you want expansive or extended memory, you need an android. 
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The 64gb microsdxc evo select has a slower transfer speed. The one I bought has a 100mb per second transfer speed as opposed to the evo select is 80mb per second. You probably won't notice the difference in speed. 
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The adapter is used to allow the micro SD to be used in devices that take a regular SD card like a laptop. 
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Read speed is 95 MB/s. Write speed is 30 MB/s.