Anticipation, to write and read speeds, I can not say anything. I have never been tested. Thanks to USB 3.0 definitely faster than any USB2 Stick. Did beschwerdelos his service to my keyring also approximately 1 year. In the time he was maybe max once a month in operation, if at all. And now ... suddenly occurred to me the inner workings of sticks contrary, consisting of a piece of plastic, which includes both the contacts and the memory chip. In principle one can the "stick" so still use, for example by putting it in a USB extension. If you discover the chip time in your pocket, you therefore comes definitely still on its data.