Key to Corsair range that I knew already for the last 4 years SURVIVOR 4GB, reliable robust foolproof, I needed a key to greater capacity, my choice is input oriented Corsair, the ideal 32GB for large files, by cons are planning great pockets, it is very long 11.5 cm not nothing, reading speed and writing very satisfactory, if the length does not bother you, then this is the model for you !! RPP is of great velocity