What is the difference between these two SDXC cards?

Memory Cards SD | microSD | CFast | CFexpress | CompactFlash

oortcloud July 16, 2012, 4:23pm 1

SDSDQUA-064G-A11A and SDSDQUA-064G-U46A. I know both are class 10 cards. Is the second one designed for other than US markets. They are both sold on Amason as well.

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