With me tested on Digisol 47200 Card Reader / Writer 4.1
18.6 MB / sec read
17.4 MB write / sec
just awesome.
Lovely, too, that an adapter and a sheath is included.
Yes and that unpacking with a plastic / cardboard cover is easier than in those
Complete plastic packaging I find also nice.
So far, they do their duties without grumbling in my HTC HD2 with Android.