H2testw has been known as THE tool for checking memory based flash drives to see if they are the correct capacity. Is the software victims of flash memory fraud use to test the real capacity of flash
memory storage chips. Wise resellers use it to ensure inventory purchased is not for fakes before they list mp players, usb flash drives or memory cards on the internet to sell. H2testw operates in English and German, it is a free software to download and use.

H2testw is a free tool that can be used to test for Counterfeit or Fake USB flash drives, and check your USB Flash Drive for errors. It works by filling the chosen target drive with test data and then reads this data back to verify it. You should probably copy your data elsewhere before performing this test on the USB Drive, or you could risk losing data.

download h2testw> https://www.dropbox.com/s/zzopu9lsbu4xdrh/h2testw_1.4.zip?dl=0
Unzip and Install it on pc

Click here for full tutorial>> http://www.kingpredicts.com/2015/12/how-to-test-for-fake-sd-card-or-usb.html