If you notice this product in the picture, it has 4 slots. When it arrived it had 2 slots. The 2-slot reader is indeed a 12-in-1 reader/writer, but I wanted a 17-in-1 4-slot reader/writer. I'm surprised they haven't corrected the photo yet. I had to return it for a refund and buy a 4-slot 17-in-1 reader/writer elsewhere.
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