Involvement:Expert (understands the inner workings) - Ownership:more than 1 month
A SanDisk 16GB uSD card, with its own SD adapter.
While running Linux with the vanilla/stock vfat filesystem with ddrescue /dev/zero foo.img, I got average writing rate of about 4MB/s, which seems correct for a Class 4 device.
The average reading rate was of 10.7MB/s with very little (almost none) variation in speed.
Whenever I plug the uSD card with its adapter in my computer, the lock tab slips to the read-only position, which makes it annoying.
Using another adapter was a workaround.
The problem with my adapter may not be representative of the product in general (I perhaps only received one from a bad lot).
When I bought it, it was the cheapest card with 16GB and it fits the specifications well.
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