H2testw 1.4 H2testw 1.4 has proven itself to be the best of breed for detecting counterfeit Flash drives. It is extremely easy to use and proves detailed information. It is free and standalone. Check your USB for errors with this tool. H2testw is a simple and easy to use program designed to enable you to test USB sticks for various kinds of errors. Website: Google Translate Direct Download: http://www.heise.de/ct/Redaktion/bo/downloads/h2testw_1.4.zip Every new micro, fullsize, usb, etc, i test with this utility first and i have found a few i had to send back. If you find this useful, please say thanks.