Panasonic RP-SDW04GE1K SDHC Memory Card 4GB Class 10 speed (22 MB / sec transfer rate) (Electronics)
I bought 2 pieces at a large electronics store around the corner. I was attracted by the speed there on the package "Up to 22 MB / s" in Class 10th At home I have you first plugged in the USB card reader and tested the speed. Unfortunately,