After about 5 years of use my last card reader has given up the ghost, and I had to look for a new device. Actually I just need a CF card reader, but this device seemed no worse than the few pure CF card reader that I found, so I have decided me. My CF cards he actually reads out quickly and smoothly, plug + play as it should be (on Linux), also describe he does the card quickly. What has not quite revealed to me is the sense of Schiebevorichtung that can be pushed through the ports, for me is a pretty useless detail, so I find it not so bad that it is now already - after 3 repeated use - trapped and hardly back move is possible. The concept seems to me not very mature yet, so who sets it value should be superior to him if not another model is more suitable.