Nine times out of ten, a $100 Kingston flash drive is fake. Although the price of U disk is relatively low now. That's a little over 10 bucks for a 64-gigabyte. Not to mention big brand Kingston. Now Kingston's got a 128-gigabyte USB flash drive for $80 or $90. So 100 yuan one of the sperm true USB disk guarantee is a fake, a greater possibility is that the expansion rate is 2.0 miscellaneous brand chip.