![]() H2TESTWIf one or both of the above SW does not return error (pretty rare) we can try to execute this cool SW:Īs reported in the image we have to do three steps: The only difference is that RMPrepUsb use windows command shell as log output. RMPrepUSBThe interface is more rich than FakeFlashTest because this tool is designed to create bootable drive with plenty of options.Īs FakeFlashTest we need to execute the same test Quick Size Test: it's the same as shown above. If the test fails we can read the log in order to discover the range of fake size.Īt the end of the log there's the Recommended Maximum usable partition size which reports the real size of the usb flash drive. Select the usb drive letter that we want to test.I've ordered them by the execution time, so let's start with FakeFlashTest.įakeFlashTestThe interface is very simple.Īs reported in the image we have to do two steps: ![]() In order to clear every doubts it's necessary to investigate the problem with three software programs: The typical symptom is that when you try to write a file you can receive a write error, but this happens only if the operating system request a writing action in the extra area: this can be seen very easily when we have the usb flash drive almost full.Īnother symptom is that the usb flash drive becomes write protected: when we try to format the drive the operating system goes in error like if the usb drive has the hardware switch protection active. So the goal of my post i to show to you how to check if your usb flash drive is counterfeit. I suggest to buy usb flash drive in the certified reseller and be careful with eBay, Amazon and the others. Some SW like MPToolcan easily do this counterfeiting technique so it's clear that it's very simple and every not honest reseller can do this very simply. It's very simple: a mod in the memory controller make more space visible to the operating system. The war of lowering the prices is always increasing and very often we've to be careful with the extreme deals: the china market have introduced a cool counterfeiting technique called ShengJi (upgrading size). From 4€ ( Verbatim Store 'n' Go Pin Stripe 4GB, LEXAR USB JUMPDRIVE S50 4GB) to ~800-1000€ ( Kingston DataTraveler 310 256GB, Kingston DataTraveler HyperX Predator 256GB, DataTraveler HyperX Predator 1TB)
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