8GB Model Very fine as a small USB key. With its cache it fits perfectly unlike sandisks I bought earlier that they exceed some Coté speed is equivalent to the sandisk (16 or 32GB) is between 5.6 and 6mo / s write. Only problem damage, it has no LED indication of activity, which earned him a star for me. Otherwise, I find it perfect.
IMPORTANT: Add it functioning perfectly and immediately with the USB ports on the front of my PC, which is not the case previously mentioned USB stick sandisk