I bought this stick because of its high reading and writing speed. I could check with HDTune also: Read about 30MB / s and writing with 17-18 MB / s. So far so good ... Unfortunately this connection is seated although seemingly mechanically fixed in my front USB socket, but has extreme contact problems. In every small movement at the table / Computer case Windows 7 raises this out again. After a short time my USB ports are throttled to USB 1.1. The same behavior to 3 different computers ... I'll send the stick back and not buy me this again ...