I got three of these from another site and have used them regularly at work for the last two years. They have never failed to do their job well through hundreds of computer re-images and lots of file transfers. I never noticed how fast/slow they were so I guess "no news is good news".
I have never needed to use the second USB connector (mine came with a double dongle) but it is nice to have it. One of the three drives has a connection with the cable that is a little more loose than the others but it has never fallen out or caused a problem.
There is a button on it to supposedly "stop" the device but I never noticed it having any affect. I like that it has a blue light around the button when it is connected for a visual confirmation. Occasionally the PC/laptop will not be able to "stop" the device (for some unknown reason) so I can safely remove it (which is annoying) but I just pull it out when I am sure there is no data being transferred. Sometimes this brings up a message to scan for errors the next time I plug it in but it always continues to work fine.
Though I take really good care of my stuff, I know I have dropped one or two of them at some point and they still work great.
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