From the performance and detection rates forth prima reader, since I deliberately wanted a new device based on my 4GB SD (not SDHC!) Memory card, which swallowed the reader without complaint. Also in conjunction with Kingston MicroSDs top Txferrate (10.5 / 18.5 MB / s read / write). Only the housing, which considerably more power in the photo here, and thus was a selling point for me is real too plastic adhesive Seeming and rickety, with a not (!) Must creep up on the fear that it falls apart in the next moment ;-) am therefore very satisfied and there are 5 - 1 Star!