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1,600+ MB/s read on iPhone Xs NAND vs 90 MB/s read on an SDXC card. Of course the USB sticks and the like are cheaper, they're not comparable at all.

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Not really relevant. Obviously you want fast I/O for your OS storage, but for external storage that's mostly going to be used for music, videos, and images, it really doesn't matter how fast it is.

Loading my (40k+ image) library on a 90MB/s card was painfully slow. Fast I/O always matters, there is no reason to make a performance sacrifice like that in 2019.

> Loading my (40k+ image)

> there is no reason to make a performance sacrifice like that in 2019.

> 64 GB: $1099

> 256 GB: $1249

> 512 GB: $1449

Cost is a reason, not having 40k images to load is another one. We clearly don't have the same sacrifice to do sadly.

But I only need 90MB/s for music. Or if the phone can already determine unused apps to offload, it could move them to cold slow storage instead.

I don't disagree about offloading, but comparing the cost of SDXC to NAND does not make sense.

It does makes sense to complains about the price difference when you don't need 1,600+ MB/s speed for what you want to put on it.

He want 128 GB for his MP3, it doesn't make sense he can't get it when USB stick of that size are that cheap.

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