USB Stick SanDisk Extreme 16GB makes actually exactly what he should, yet there is point deduction because the product description is very misleading. Data transfer with up to 245 MB / s write and read suggests. Unfortunately, I have until nachherein in the product description of the manufacturer to know the write speed only 50 MB / s, just read comes with 245 MB / s. This data is Allerding also achieved. If you already copied several specifications of the manufacturer in the product description should also take the important and not only the optical parameter great !!